./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/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_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --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 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:14:27,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:14:27,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:14:28,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:14:28,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:14:28,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:14:28,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:14:28,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:14:28,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:14:28,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:14:28,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:14:28,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:14:28,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:14:28,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:14:28,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:14:28,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:14:28,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:14:28,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:14:28,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:14:28,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:14:28,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:14:28,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:14:28,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:14:28,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:14:28,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:14:28,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:14:28,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:14:28,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:14:28,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:14:28,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:14:28,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:14:28,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:14:28,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:14:28,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:14:28,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:14:28,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:14:28,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:14:28,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:14:28,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:14:28,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:14:28,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:14:28,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:14:28,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:14:28,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:14:28,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:14:28,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:14:28,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:14:28,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:14:28,131 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:14:28,131 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:14:28,131 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:14:28,131 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:14:28,132 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:14:28,132 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:14:28,132 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:14:28,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:14:28,132 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:14:28,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:14:28,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:14:28,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:14:28,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:14:28,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:14:28,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:14:28,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:14:28,134 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:14:28,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:14:28,134 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:14:28,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:14:28,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:14:28,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:14:28,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:14:28,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:14:28,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:14:28,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:14:28,136 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:14:28,136 INFO L138 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_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a [2021-10-28 09:14:28,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:14:28,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:14:28,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:14:28,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:14:28,392 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:14:28,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2021-10-28 09:14:28,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/data/d4bac5ef1/b5fca01874e148e1882c4343c3cee9c3/FLAG4608108ac [2021-10-28 09:14:28,994 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:14:28,995 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2021-10-28 09:14:29,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/data/d4bac5ef1/b5fca01874e148e1882c4343c3cee9c3/FLAG4608108ac [2021-10-28 09:14:29,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/data/d4bac5ef1/b5fca01874e148e1882c4343c3cee9c3 [2021-10-28 09:14:29,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:14:29,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:14:29,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:14:29,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:14:29,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:14:29,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d53f04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29, skipping insertion in model container [2021-10-28 09:14:29,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:14:29,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:14:29,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:14:29,723 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:14:29,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:14:29,801 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:14:29,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29 WrapperNode [2021-10-28 09:14:29,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:14:29,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:14:29,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:14:29,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:14:29,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:14:29,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:14:29,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:14:29,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:14:29,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:14:29,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:14:29,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:14:29,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:14:29,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (1/1) ... [2021-10-28 09:14:29,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:29,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:29,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:29,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:14:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:14:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:14:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:14:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:14:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:14:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:14:30,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:14:30,314 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 09:14:30,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:14:30 BoogieIcfgContainer [2021-10-28 09:14:30,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:14:30,318 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:14:30,318 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:14:30,322 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:14:30,323 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:14:30,323 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:14:29" (1/3) ... [2021-10-28 09:14:30,324 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49cd7506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:14:30, skipping insertion in model container [2021-10-28 09:14:30,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:14:30,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:14:29" (2/3) ... [2021-10-28 09:14:30,325 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49cd7506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:14:30, skipping insertion in model container [2021-10-28 09:14:30,325 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:14:30,325 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:14:30" (3/3) ... [2021-10-28 09:14:30,326 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-1.i [2021-10-28 09:14:30,372 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:14:30,372 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:14:30,372 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:14:30,372 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:14:30,373 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:14:30,373 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:14:30,373 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:14:30,373 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:14:30,393 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) [2021-10-28 09:14:30,422 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-10-28 09:14:30,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:30,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:30,427 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:14:30,427 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:14:30,428 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:14:30,428 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) [2021-10-28 09:14:30,430 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-10-28 09:14:30,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:30,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:30,431 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:14:30,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:14:30,437 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 22#L536true assume !(main_~length~0 < 1); 8#L536-2true assume !(main_~n~1 < 1); 9#L539-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 5#L545-3true [2021-10-28 09:14:30,437 INFO L793 eck$LassoCheckResult]: Loop: 5#L545-3true assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 11#L545-2true main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 5#L545-3true [2021-10-28 09:14:30,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:30,444 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-28 09:14:30,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:30,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439464255] [2021-10-28 09:14:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:30,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:30,561 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:30,596 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:30,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:30,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-28 09:14:30,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:30,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293980563] [2021-10-28 09:14:30,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:30,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:30,618 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:30,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:30,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-28 09:14:30,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:30,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118653654] [2021-10-28 09:14:30,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:30,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:30,697 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:30,753 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:31,304 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:14:31,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:14:31,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:14:31,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:14:31,305 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:14:31,306 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:31,306 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:14:31,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:14:31,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration1_Lasso [2021-10-28 09:14:31,307 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:14:31,307 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:14:31,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:31,769 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:14:31,774 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:14:31,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:31,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:31,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:31,783 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 [2021-10-28 09:14:31,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:31,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:31,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:31,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:31,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:31,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:31,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:31,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:14:31,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:31,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:31,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:31,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:31,857 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:31,864 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 [2021-10-28 09:14:31,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:31,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:31,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:31,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:31,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:31,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:31,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:31,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:14:31,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:31,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:31,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:31,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:31,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:31,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:14:31,931 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 [2021-10-28 09:14:31,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:31,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:31,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:31,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:31,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:31,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:31,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:31,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:31,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:31,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:31,999 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,005 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 [2021-10-28 09:14:32,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:14:32,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:32,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:32,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:14:32,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:14:32,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:32,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:32,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:32,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,117 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,140 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 [2021-10-28 09:14:32,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:14:32,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:32,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:32,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,222 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 [2021-10-28 09:14:32,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:32,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:32,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:32,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:14:32,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,272 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:14:32,277 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 [2021-10-28 09:14:32,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:32,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:32,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:32,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 09:14:32,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,309 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:14:32,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:14:32,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:32,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:32,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,362 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:14:32,373 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 [2021-10-28 09:14:32,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:32,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:32,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:32,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,410 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:14:32,414 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 [2021-10-28 09:14:32,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:32,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:32,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,460 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:14:32,462 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 [2021-10-28 09:14:32,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:32,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:32,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:32,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,513 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:14:32,517 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 [2021-10-28 09:14:32,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:32,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:32,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:32,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,549 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:14:32,553 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 [2021-10-28 09:14:32,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:32,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:32,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-28 09:14:32,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,603 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:14:32,605 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 [2021-10-28 09:14:32,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:32,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:32,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:32,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,634 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:14:32,635 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 [2021-10-28 09:14:32,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:32,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:32,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:32,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,703 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:14:32,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:14:32,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:32,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:32,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:32,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:32,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:32,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:32,763 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:14:32,851 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 09:14:32,851 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 09:14:32,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:32,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:32,867 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:32,887 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:14:32,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:14:32,916 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:14:32,916 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:14:32,917 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1, ULTIMATE.start_main_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [1*ULTIMATE.start_main_~nondetString2~0.offset >= 0] [2021-10-28 09:14:32,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:32,971 INFO L297 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 09:14:33,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:33,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:14:33,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:33,101 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:14:33,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:33,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:33,153 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:14:33,155 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) [2021-10-28 09:14:33,235 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 57 states and 90 transitions. Complement of second has 8 states. [2021-10-28 09:14:33,236 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 [2021-10-28 09:14:33,237 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) [2021-10-28 09:14:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2021-10-28 09:14:33,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 09:14:33,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:33,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 09:14:33,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:33,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 09:14:33,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:33,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 90 transitions. [2021-10-28 09:14:33,246 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 09:14:33,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 20 states and 29 transitions. [2021-10-28 09:14:33,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 09:14:33,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 09:14:33,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-10-28 09:14:33,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:33,252 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:14:33,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-10-28 09:14:33,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 09:14:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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) [2021-10-28 09:14:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-10-28 09:14:33,277 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:14:33,277 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:14:33,277 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:14:33,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-10-28 09:14:33,278 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 09:14:33,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:33,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:33,279 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:33,279 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:14:33,279 INFO L791 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 168#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 179#L536 assume !(main_~length~0 < 1); 171#L536-2 assume !(main_~n~1 < 1); 172#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 163#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 164#L545-4 main_~i~1 := 0; 175#L550-3 [2021-10-28 09:14:33,279 INFO L793 eck$LassoCheckResult]: Loop: 175#L550-3 assume !!(main_~i~1 < main_~n~1 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 176#L550-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 175#L550-3 [2021-10-28 09:14:33,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:33,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-28 09:14:33,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:33,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126480865] [2021-10-28 09:14:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:33,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:33,292 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:33,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:33,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:33,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-28 09:14:33,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:33,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368193402] [2021-10-28 09:14:33,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:33,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:33,313 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:33,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:33,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:33,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-10-28 09:14:33,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:33,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310316660] [2021-10-28 09:14:33,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:33,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:33,336 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:33,354 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:33,728 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:14:33,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:14:33,728 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:14:33,728 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:14:33,728 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:14:33,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:33,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:14:33,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:14:33,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration2_Lasso [2021-10-28 09:14:33,729 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:14:33,729 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:14:33,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:33,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:34,126 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:14:34,127 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:14:34,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,130 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:14:34,143 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 [2021-10-28 09:14:34,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:34,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:34,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:34,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,207 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:14:34,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:14:34,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:34,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:34,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,273 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,275 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 [2021-10-28 09:14:34,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:34,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:34,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:14:34,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,355 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,357 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 [2021-10-28 09:14:34,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:34,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:34,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:34,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:14:34,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,389 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,395 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 [2021-10-28 09:14:34,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:14:34,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:34,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:34,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,461 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,463 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 [2021-10-28 09:14:34,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:34,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:34,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:14:34,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,527 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,529 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 [2021-10-28 09:14:34,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:34,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:34,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:14:34,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,594 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,597 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 [2021-10-28 09:14:34,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:34,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:34,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:34,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:14:34,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 09:14:34,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,631 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:14:34,634 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 [2021-10-28 09:14:34,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:34,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:34,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:34,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,662 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:14:34,664 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 [2021-10-28 09:14:34,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:34,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:34,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:34,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,730 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:14:34,732 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 [2021-10-28 09:14:34,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:34,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:34,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:34,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,772 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:14:34,774 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 [2021-10-28 09:14:34,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:34,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:34,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:34,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,818 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:14:34,819 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 [2021-10-28 09:14:34,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:34,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:34,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:34,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:34,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,887 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:34,894 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 [2021-10-28 09:14:34,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:34,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:34,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:34,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:34,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:34,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:34,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:14:34,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:14:34,984 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 09:14:34,984 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 09:14:34,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:34,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:34,999 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:35,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:14:35,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:14:35,041 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:14:35,041 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:14:35,041 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~n~1) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~n~1 Supporting invariants [] [2021-10-28 09:14:35,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:35,099 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 09:14:35,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:35,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:14:35,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:35,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:14:35,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:35,163 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:14:35,164 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 13 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) [2021-10-28 09:14:35,180 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 13. 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 31 states and 48 transitions. Complement of second has 6 states. [2021-10-28 09:14:35,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:14:35,181 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) [2021-10-28 09:14:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-28 09:14:35,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 09:14:35,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:35,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 09:14:35,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:35,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-28 09:14:35,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:35,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 48 transitions. [2021-10-28 09:14:35,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:14:35,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 31 transitions. [2021-10-28 09:14:35,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 09:14:35,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 09:14:35,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 31 transitions. [2021-10-28 09:14:35,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:35,186 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 31 transitions. [2021-10-28 09:14:35,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 31 transitions. [2021-10-28 09:14:35,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 09:14:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 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) [2021-10-28 09:14:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 31 transitions. [2021-10-28 09:14:35,188 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 31 transitions. [2021-10-28 09:14:35,188 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 31 transitions. [2021-10-28 09:14:35,189 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:14:35,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 31 transitions. [2021-10-28 09:14:35,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:14:35,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:35,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:35,190 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:35,190 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:14:35,190 INFO L791 eck$LassoCheckResult]: Stem: 292#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 293#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 305#L536 assume !(main_~length~0 < 1); 296#L536-2 assume !(main_~n~1 < 1); 297#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 288#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 289#L545-4 main_~i~1 := 0; 300#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 298#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 299#L519 assume 0 != cstrlcpy_~n~0; 294#L520-3 [2021-10-28 09:14:35,191 INFO L793 eck$LassoCheckResult]: Loop: 294#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 295#L520-1 assume !!(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 306#L521 assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset;havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5; 294#L520-3 [2021-10-28 09:14:35,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:35,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220888, now seen corresponding path program 1 times [2021-10-28 09:14:35,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:35,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243676026] [2021-10-28 09:14:35,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:35,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:35,209 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:35,235 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:35,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:35,235 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 1 times [2021-10-28 09:14:35,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:35,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764110652] [2021-10-28 09:14:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:35,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:35,250 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:35,262 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:35,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:35,263 INFO L85 PathProgramCache]: Analyzing trace with hash -587605024, now seen corresponding path program 1 times [2021-10-28 09:14:35,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:35,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898042857] [2021-10-28 09:14:35,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:35,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:35,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:14:35,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898042857] [2021-10-28 09:14:35,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898042857] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:35,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:35,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:14:35,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523006749] [2021-10-28 09:14:35,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:14:35,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:14:35,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:14:35,571 INFO L87 Difference]: Start difference. First operand 21 states and 31 transitions. cyclomatic complexity: 14 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) [2021-10-28 09:14:35,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:35,669 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2021-10-28 09:14:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:14:35,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2021-10-28 09:14:35,671 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 09:14:35,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 49 transitions. [2021-10-28 09:14:35,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-28 09:14:35,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-28 09:14:35,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions. [2021-10-28 09:14:35,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:35,673 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2021-10-28 09:14:35,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions. [2021-10-28 09:14:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2021-10-28 09:14:35,676 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) [2021-10-28 09:14:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-28 09:14:35,677 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-28 09:14:35,677 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-28 09:14:35,677 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:14:35,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2021-10-28 09:14:35,678 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:14:35,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:35,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:35,679 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:35,679 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:14:35,679 INFO L791 eck$LassoCheckResult]: Stem: 367#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 368#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 384#L536 assume !(main_~length~0 < 1); 371#L536-2 assume !(main_~n~1 < 1); 373#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 363#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 364#L545-4 main_~i~1 := 0; 389#L550-3 assume !!(main_~i~1 < main_~n~1 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 381#L550-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 380#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 374#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 375#L519 assume 0 != cstrlcpy_~n~0; 369#L520-3 [2021-10-28 09:14:35,679 INFO L793 eck$LassoCheckResult]: Loop: 369#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 370#L520-1 assume !!(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 385#L521 assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset;havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5; 369#L520-3 [2021-10-28 09:14:35,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:35,680 INFO L85 PathProgramCache]: Analyzing trace with hash -294332618, now seen corresponding path program 1 times [2021-10-28 09:14:35,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:35,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533354991] [2021-10-28 09:14:35,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:35,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:35,695 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:35,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:35,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:35,715 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 2 times [2021-10-28 09:14:35,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:35,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078402056] [2021-10-28 09:14:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:35,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:35,722 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:35,729 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:35,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:35,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1860246402, now seen corresponding path program 1 times [2021-10-28 09:14:35,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:35,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375265620] [2021-10-28 09:14:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:35,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:14:35,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:14:35,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375265620] [2021-10-28 09:14:35,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375265620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:35,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:35,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:14:35,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464782281] [2021-10-28 09:14:35,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:36,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:14:36,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:14:36,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:14:36,055 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) [2021-10-28 09:14:36,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:36,141 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2021-10-28 09:14:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:14:36,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 73 transitions. [2021-10-28 09:14:36,143 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 09:14:36,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 73 transitions. [2021-10-28 09:14:36,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-10-28 09:14:36,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-28 09:14:36,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 73 transitions. [2021-10-28 09:14:36,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:36,147 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 73 transitions. [2021-10-28 09:14:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 73 transitions. [2021-10-28 09:14:36,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2021-10-28 09:14:36,156 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) [2021-10-28 09:14:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-28 09:14:36,158 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-28 09:14:36,158 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-28 09:14:36,158 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:14:36,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 56 transitions. [2021-10-28 09:14:36,162 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:14:36,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:36,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:36,163 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:36,163 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:14:36,163 INFO L791 eck$LassoCheckResult]: Stem: 469#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 470#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 487#L536 assume !(main_~length~0 < 1); 473#L536-2 assume main_~n~1 < 1;main_~n~1 := 1; 474#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 465#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 466#L545-4 main_~i~1 := 0; 481#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 477#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 478#L519 assume 0 != cstrlcpy_~n~0; 471#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 472#L520-1 assume !(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2; 489#L519-1 assume 0 == cstrlcpy_~n~0; 490#L526 assume !(0 != cstrlcpy_~siz); 485#L528-2 [2021-10-28 09:14:36,163 INFO L793 eck$LassoCheckResult]: Loop: 485#L528-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 486#L528 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 485#L528-2 [2021-10-28 09:14:36,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:36,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1736952706, now seen corresponding path program 1 times [2021-10-28 09:14:36,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:36,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277842987] [2021-10-28 09:14:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:36,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:36,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:14:36,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277842987] [2021-10-28 09:14:36,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277842987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:36,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:36,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:14:36,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297512250] [2021-10-28 09:14:36,223 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:14:36,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:36,224 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 1 times [2021-10-28 09:14:36,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:36,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188906877] [2021-10-28 09:14:36,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:36,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,228 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,232 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:36,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:14:36,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:14:36,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:14:36,280 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) [2021-10-28 09:14:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:36,304 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-10-28 09:14:36,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:14:36,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-10-28 09:14:36,306 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-10-28 09:14:36,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2021-10-28 09:14:36,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-10-28 09:14:36,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2021-10-28 09:14:36,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2021-10-28 09:14:36,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:36,311 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 63 transitions. [2021-10-28 09:14:36,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2021-10-28 09:14:36,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 42. [2021-10-28 09:14:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.380952380952381) internal successors, (58), 41 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) [2021-10-28 09:14:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2021-10-28 09:14:36,327 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 58 transitions. [2021-10-28 09:14:36,327 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 58 transitions. [2021-10-28 09:14:36,327 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:14:36,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 58 transitions. [2021-10-28 09:14:36,330 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:14:36,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:36,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:36,330 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:36,330 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:14:36,331 INFO L791 eck$LassoCheckResult]: Stem: 566#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 567#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 582#L536 assume !(main_~length~0 < 1); 570#L536-2 assume main_~n~1 < 1;main_~n~1 := 1; 571#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 573#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 586#L545-4 main_~i~1 := 0; 576#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 574#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 575#L519 assume 0 != cstrlcpy_~n~0; 568#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 569#L520-1 assume !(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2; 584#L519-1 assume 0 == cstrlcpy_~n~0; 585#L526 assume 0 != cstrlcpy_~siz;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 580#L528-2 [2021-10-28 09:14:36,331 INFO L793 eck$LassoCheckResult]: Loop: 580#L528-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 581#L528 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 580#L528-2 [2021-10-28 09:14:36,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:36,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1736952708, now seen corresponding path program 1 times [2021-10-28 09:14:36,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:36,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665133433] [2021-10-28 09:14:36,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:36,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,355 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,391 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:36,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:36,392 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 2 times [2021-10-28 09:14:36,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:36,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300352196] [2021-10-28 09:14:36,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:36,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,397 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,410 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:36,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:36,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1530728321, now seen corresponding path program 1 times [2021-10-28 09:14:36,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:36,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121684648] [2021-10-28 09:14:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:36,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:36,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:14:36,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121684648] [2021-10-28 09:14:36,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121684648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:36,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:36,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 09:14:36,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291573795] [2021-10-28 09:14:36,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:14:36,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:14:36,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:14:36,687 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. cyclomatic complexity: 22 Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 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) [2021-10-28 09:14:36,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:36,892 INFO L93 Difference]: Finished difference Result 63 states and 78 transitions. [2021-10-28 09:14:36,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:14:36,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 78 transitions. [2021-10-28 09:14:36,893 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 09:14:36,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 53 states and 68 transitions. [2021-10-28 09:14:36,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-28 09:14:36,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-28 09:14:36,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 68 transitions. [2021-10-28 09:14:36,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:36,895 INFO L681 BuchiCegarLoop]: Abstraction has 53 states and 68 transitions. [2021-10-28 09:14:36,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 68 transitions. [2021-10-28 09:14:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 42. [2021-10-28 09:14:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 41 states have internal predecessors, (57), 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) [2021-10-28 09:14:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2021-10-28 09:14:36,898 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 57 transitions. [2021-10-28 09:14:36,898 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 57 transitions. [2021-10-28 09:14:36,898 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:14:36,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 57 transitions. [2021-10-28 09:14:36,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:14:36,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:36,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:36,900 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:36,900 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:14:36,900 INFO L791 eck$LassoCheckResult]: Stem: 696#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 697#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 713#L536 assume !(main_~length~0 < 1); 700#L536-2 assume !(main_~n~1 < 1); 702#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 703#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 721#L545-4 main_~i~1 := 0; 722#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 704#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 705#L519 assume 0 != cstrlcpy_~n~0; 698#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 699#L520-1 assume !(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2; 715#L519-1 assume 0 == cstrlcpy_~n~0; 716#L526 assume 0 != cstrlcpy_~siz;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 711#L528-2 [2021-10-28 09:14:36,900 INFO L793 eck$LassoCheckResult]: Loop: 711#L528-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 712#L528 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 711#L528-2 [2021-10-28 09:14:36,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:36,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1035888130, now seen corresponding path program 1 times [2021-10-28 09:14:36,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:36,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977049304] [2021-10-28 09:14:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:36,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,912 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:36,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 3 times [2021-10-28 09:14:36,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:36,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765460934] [2021-10-28 09:14:36,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:36,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,939 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:36,943 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:36,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:36,943 INFO L85 PathProgramCache]: Analyzing trace with hash 943922307, now seen corresponding path program 1 times [2021-10-28 09:14:36,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:36,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714121187] [2021-10-28 09:14:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:36,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:37,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:14:37,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714121187] [2021-10-28 09:14:37,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714121187] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:37,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:37,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 09:14:37,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765312091] [2021-10-28 09:14:37,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:14:37,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:14:37,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:14:37,209 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. cyclomatic complexity: 21 Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 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) [2021-10-28 09:14:37,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:37,445 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2021-10-28 09:14:37,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:14:37,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2021-10-28 09:14:37,446 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 09:14:37,447 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 51 states and 63 transitions. [2021-10-28 09:14:37,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-28 09:14:37,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 09:14:37,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 63 transitions. [2021-10-28 09:14:37,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:37,448 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 63 transitions. [2021-10-28 09:14:37,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 63 transitions. [2021-10-28 09:14:37,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2021-10-28 09:14:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 41 states have internal predecessors, (54), 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) [2021-10-28 09:14:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 54 transitions. [2021-10-28 09:14:37,451 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 54 transitions. [2021-10-28 09:14:37,451 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 54 transitions. [2021-10-28 09:14:37,451 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:14:37,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 54 transitions. [2021-10-28 09:14:37,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:14:37,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:37,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:37,452 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:37,452 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:14:37,453 INFO L791 eck$LassoCheckResult]: Stem: 825#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 826#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 841#L536 assume !(main_~length~0 < 1); 829#L536-2 assume !(main_~n~1 < 1); 831#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 832#L545-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 852#L545-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 853#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 849#L545-4 main_~i~1 := 0; 850#L550-3 assume !!(main_~i~1 < main_~n~1 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 838#L550-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 837#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 833#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 834#L519 assume 0 != cstrlcpy_~n~0; 857#L520-3 [2021-10-28 09:14:37,453 INFO L793 eck$LassoCheckResult]: Loop: 857#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 858#L520-1 assume !!(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 859#L521 assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset;havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5; 857#L520-3 [2021-10-28 09:14:37,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:37,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217428, now seen corresponding path program 1 times [2021-10-28 09:14:37,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:37,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132599536] [2021-10-28 09:14:37,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:37,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:37,463 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:37,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:37,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:37,475 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 3 times [2021-10-28 09:14:37,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:37,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613960760] [2021-10-28 09:14:37,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:37,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:37,479 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:37,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:37,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:37,484 INFO L85 PathProgramCache]: Analyzing trace with hash -796650908, now seen corresponding path program 1 times [2021-10-28 09:14:37,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:37,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199320777] [2021-10-28 09:14:37,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:37,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:37,495 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:37,514 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:38,745 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:14:38,745 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:14:38,745 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:14:38,745 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:14:38,745 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:14:38,745 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:38,745 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:14:38,745 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:14:38,745 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration8_Lasso [2021-10-28 09:14:38,745 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:14:38,745 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:14:38,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:38,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:14:39,966 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:14:39,967 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:14:39,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:39,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:39,987 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:39,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:14:39,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:14:39,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:39,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:39,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:39,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:39,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:39,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:39,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:39,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,026 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:14:40,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:14:40,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,099 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:14:40,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:14:40,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,170 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:14:40,173 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 [2021-10-28 09:14:40,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:40,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:40,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 09:14:40,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,227 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,229 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 [2021-10-28 09:14:40,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:14:40,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,259 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:14:40,263 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 [2021-10-28 09:14:40,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 09:14:40,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,292 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,298 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 [2021-10-28 09:14:40,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:14:40,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,355 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,357 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 [2021-10-28 09:14:40,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:14:40,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,420 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,421 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 [2021-10-28 09:14:40,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:14:40,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,476 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,478 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 [2021-10-28 09:14:40,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:40,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:40,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:14:40,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,536 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,538 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 [2021-10-28 09:14:40,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:14:40,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 09:14:40,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,569 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:14:40,570 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 [2021-10-28 09:14:40,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 09:14:40,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,611 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:14:40,613 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 [2021-10-28 09:14:40,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:40,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:40,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,643 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:14:40,644 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 [2021-10-28 09:14:40,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,673 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:14:40,674 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 [2021-10-28 09:14:40,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:14:40,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:14:40,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:14:40,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 09:14:40,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,702 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,703 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 [2021-10-28 09:14:40,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:14:40,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:40,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:40,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,781 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,783 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 [2021-10-28 09:14:40,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:40,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:40,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:14:40,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:40,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,834 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:14:40,836 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 [2021-10-28 09:14:40,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:40,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:40,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:14:40,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 09:14:40,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,888 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:14:40,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:14:40,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:14:40,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:14:40,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:14:40,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:14:40,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:14:40,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:14:40,939 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:14:40,973 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 09:14:40,973 INFO L444 ModelExtractionUtils]: 19 out of 31 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-28 09:14:40,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:14:40,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:14:40,975 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:14:40,983 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:14:40,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:14:41,011 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:14:41,011 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:14:41,012 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3) = -1*ULTIMATE.start_cstrlcpy_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3 Supporting invariants [] [2021-10-28 09:14:41,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:41,075 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-10-28 09:14:41,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:41,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:14:41,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:41,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:14:41,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:14:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:14:41,275 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 09:14:41,275 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 54 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) [2021-10-28 09:14:41,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 54 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 55 states and 71 transitions. Complement of second has 6 states. [2021-10-28 09:14:41,320 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 [2021-10-28 09:14:41,320 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) [2021-10-28 09:14:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 09:14:41,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 09:14:41,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:41,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 17 letters. Loop has 3 letters. [2021-10-28 09:14:41,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:41,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-28 09:14:41,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:14:41,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 71 transitions. [2021-10-28 09:14:41,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:14:41,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 18 states and 22 transitions. [2021-10-28 09:14:41,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 09:14:41,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:14:41,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2021-10-28 09:14:41,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:41,329 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-28 09:14:41,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2021-10-28 09:14:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-28 09:14:41,338 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) [2021-10-28 09:14:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-10-28 09:14:41,338 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-28 09:14:41,338 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-28 09:14:41,338 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:14:41,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2021-10-28 09:14:41,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:14:41,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:14:41,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:14:41,339 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:14:41,339 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:14:41,339 INFO L791 eck$LassoCheckResult]: Stem: 1076#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1077#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 1087#L536 assume !(main_~length~0 < 1); 1078#L536-2 assume !(main_~n~1 < 1); 1079#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 1072#L545-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 1073#L545-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 1074#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 1075#L545-4 main_~i~1 := 0; 1082#L550-3 assume !!(main_~i~1 < main_~n~1 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 1083#L550-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 1084#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 1080#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 1081#L519 assume !(0 != cstrlcpy_~n~0); 1089#L519-1 assume 0 == cstrlcpy_~n~0; 1088#L526 assume !(0 != cstrlcpy_~siz); 1085#L528-2 [2021-10-28 09:14:41,339 INFO L793 eck$LassoCheckResult]: Loop: 1085#L528-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 1086#L528 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 1085#L528-2 [2021-10-28 09:14:41,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:41,339 INFO L85 PathProgramCache]: Analyzing trace with hash -718415251, now seen corresponding path program 1 times [2021-10-28 09:14:41,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:41,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893402139] [2021-10-28 09:14:41,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:41,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:14:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:14:41,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:14:41,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893402139] [2021-10-28 09:14:41,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893402139] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:14:41,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:14:41,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:14:41,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986730336] [2021-10-28 09:14:41,368 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:14:41,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:14:41,368 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 4 times [2021-10-28 09:14:41,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:14:41,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170217093] [2021-10-28 09:14:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:14:41,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:14:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:41,372 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:14:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:14:41,375 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:14:41,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:14:41,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:14:41,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:14:41,454 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:14:41,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:14:41,475 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2021-10-28 09:14:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:14:41,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2021-10-28 09:14:41,475 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:14:41,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-10-28 09:14:41,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:14:41,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:14:41,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:14:41,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:14:41,476 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:14:41,476 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:14:41,476 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:14:41,476 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:14:41,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:14:41,476 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:14:41,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:14:41,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:14:41 BoogieIcfgContainer [2021-10-28 09:14:41,482 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:14:41,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:14:41,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:14:41,483 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:14:41,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:14:30" (3/4) ... [2021-10-28 09:14:41,486 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:14:41,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:14:41,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:14:41,488 INFO L168 Benchmark]: Toolchain (without parser) took 12158.23 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 104.2 MB in the beginning and 155.2 MB in the end (delta: -51.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:14:41,488 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:14:41,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.00 ms. Allocated memory is still 136.3 MB. Free memory was 103.8 MB in the beginning and 106.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:14:41,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.09 ms. Allocated memory is still 136.3 MB. Free memory was 106.9 MB in the beginning and 104.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:14:41,491 INFO L168 Benchmark]: Boogie Preprocessor took 29.62 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 103.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:14:41,492 INFO L168 Benchmark]: RCFGBuilder took 431.35 ms. Allocated memory is still 136.3 MB. Free memory was 103.2 MB in the beginning and 91.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:14:41,492 INFO L168 Benchmark]: BuchiAutomizer took 11164.30 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 91.2 MB in the beginning and 156.5 MB in the end (delta: -65.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:14:41,492 INFO L168 Benchmark]: Witness Printer took 3.46 ms. Allocated memory is still 197.1 MB. Free memory is still 155.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:14:41,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.00 ms. Allocated memory is still 136.3 MB. Free memory was 103.8 MB in the beginning and 106.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.09 ms. Allocated memory is still 136.3 MB. Free memory was 106.9 MB in the beginning and 104.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.62 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 103.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 431.35 ms. Allocated memory is still 136.3 MB. Free memory was 103.2 MB in the beginning and 91.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11164.30 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 91.2 MB in the beginning and 156.5 MB in the end (delta: -65.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.46 ms. Allocated memory is still 197.1 MB. Free memory is still 155.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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 unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + n and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * s and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.1s and 10 iterations. TraceHistogramMax:1. Analysis of lassos took 9.6s. Construction of modules took 0.3s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 45 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 42 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 180 SDtfs, 332 SDslu, 410 SDs, 0 SdLazy, 292 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital191 mio100 ax111 hnf99 lsp83 ukn77 mio100 lsp43 div100 bol100 ite100 ukn100 eq175 hnf90 smp98 dnf111 smp100 tf100 neg99 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:14:41,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e6dfa0-9890-4d5f-b43e-0b719ad1871b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...