./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD --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 64bit --witnessprinter.graph.data.programhash b6d1b460be78c3f5e029d54d0a7fa22600d3741ab7318d086bc890d48e08ce26 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:20:05,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:20:05,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:20:05,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:20:05,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:20:05,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:20:05,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:20:05,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:20:05,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:20:05,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:20:05,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:20:05,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:20:05,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:20:05,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:20:05,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:20:05,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:20:05,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:20:05,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:20:05,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:20:05,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:20:05,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:20:05,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:20:05,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:20:05,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:20:05,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:20:05,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:20:05,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:20:05,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:20:05,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:20:05,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:20:05,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:20:05,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:20:05,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:20:05,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:20:05,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:20:05,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:20:05,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:20:05,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:20:05,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:20:05,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:20:05,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:20:05,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:20:05,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:20:05,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:20:05,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:20:05,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:20:05,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:20:05,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:20:05,238 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:20:05,239 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:20:05,239 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:20:05,239 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:20:05,239 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:20:05,239 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:20:05,240 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:20:05,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:20:05,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:20:05,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:20:05,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:20:05,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:20:05,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:20:05,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:20:05,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:20:05,241 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:20:05,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:20:05,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:20:05,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:20:05,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:20:05,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:20:05,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:20:05,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:20:05,244 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:20:05,244 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_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6d1b460be78c3f5e029d54d0a7fa22600d3741ab7318d086bc890d48e08ce26 [2021-10-28 23:20:05,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:20:05,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:20:05,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:20:05,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:20:05,547 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:20:05,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i [2021-10-28 23:20:05,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/data/b5d37f604/9e6a7f03d80f4dddbef7e52c37663d77/FLAG166fdd8ce [2021-10-28 23:20:06,159 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:20:06,159 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i [2021-10-28 23:20:06,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/data/b5d37f604/9e6a7f03d80f4dddbef7e52c37663d77/FLAG166fdd8ce [2021-10-28 23:20:06,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/data/b5d37f604/9e6a7f03d80f4dddbef7e52c37663d77 [2021-10-28 23:20:06,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:20:06,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:20:06,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:06,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:20:06,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:20:06,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:06,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e344ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06, skipping insertion in model container [2021-10-28 23:20:06,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:06,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:20:06,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:20:06,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:06,914 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:20:06,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:06,984 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:20:06,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06 WrapperNode [2021-10-28 23:20:06,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:06,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:06,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:20:06,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:20:06,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:07,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:20:07,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:20:07,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:20:07,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:20:07,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:20:07,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:20:07,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:20:07,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (1/1) ... [2021-10-28 23:20:07,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:07,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:07,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:07,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:20:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:20:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:20:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:20:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:20:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:20:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:20:07,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:20:07,460 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 23:20:07,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:07 BoogieIcfgContainer [2021-10-28 23:20:07,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:20:07,468 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:20:07,468 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:20:07,475 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:20:07,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:20:07,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:20:06" (1/3) ... [2021-10-28 23:20:07,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31379e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:20:07, skipping insertion in model container [2021-10-28 23:20:07,477 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:20:07,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:06" (2/3) ... [2021-10-28 23:20:07,478 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31379e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:20:07, skipping insertion in model container [2021-10-28 23:20:07,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:20:07,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:07" (3/3) ... [2021-10-28 23:20:07,485 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrpbrk_reverse_alloca.i [2021-10-28 23:20:07,553 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:20:07,554 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:20:07,554 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:20:07,554 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:20:07,554 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:20:07,554 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:20:07,554 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:20:07,555 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:20:07,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 23:20:07,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 23:20:07,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:07,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:07,610 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:20:07,611 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:20:07,611 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:20:07,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 23:20:07,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 23:20:07,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:07,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:07,616 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:20:07,616 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:20:07,623 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 17#L382true assume !(main_~length1~0 < 1); 14#L382-2true assume !(main_~length2~0 < 1); 5#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 9#L369-4true [2021-10-28 23:20:07,625 INFO L793 eck$LassoCheckResult]: Loop: 9#L369-4true call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 16#L369-1true assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 7#L372-5true assume !true; 6#L372-6true call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 18#L374true assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 10#L369-3true cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset - 1;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 9#L369-4true [2021-10-28 23:20:07,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:07,632 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-28 23:20:07,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:07,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957978133] [2021-10-28 23:20:07,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:07,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:07,802 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:07,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:07,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:07,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-10-28 23:20:07,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:07,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784366120] [2021-10-28 23:20:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:07,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:07,913 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 23:20:07,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:07,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784366120] [2021-10-28 23:20:07,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784366120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:07,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:07,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:20:07,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677440789] [2021-10-28 23:20:07,920 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:20:07,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:07,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:20:07,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:20:07,938 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 23:20:07,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:07,944 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-10-28 23:20:07,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:20:07,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-10-28 23:20:07,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 23:20:07,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-10-28 23:20:07,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 23:20:07,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:20:07,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-10-28 23:20:07,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:20:07,954 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-28 23:20:07,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-10-28 23:20:07,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-28 23:20:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 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 23:20:07,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-10-28 23:20:07,979 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-28 23:20:07,979 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-28 23:20:07,980 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:20:07,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-10-28 23:20:07,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 23:20:07,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:07,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:07,981 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:20:07,982 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:07,982 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 45#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 52#L382 assume !(main_~length1~0 < 1); 56#L382-2 assume !(main_~length2~0 < 1); 46#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 47#L369-4 [2021-10-28 23:20:07,982 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 53#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 50#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 51#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 55#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210; 48#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 49#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 54#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset - 1;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 47#L369-4 [2021-10-28 23:20:07,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-10-28 23:20:07,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:07,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005510443] [2021-10-28 23:20:07,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:07,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:08,004 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:08,029 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:08,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-10-28 23:20:08,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:08,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094396649] [2021-10-28 23:20:08,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:08,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:08,054 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:08,098 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:08,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:08,099 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-10-28 23:20:08,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:08,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116364319] [2021-10-28 23:20:08,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:08,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:08,151 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:08,211 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:09,206 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:20:09,206 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:20:09,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:20:09,215 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:20:09,216 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:20:09,216 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:09,216 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:20:09,216 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:20:09,216 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_reverse_alloca.i_Iteration2_Lasso [2021-10-28 23:20:09,217 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:20:09,217 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:20:09,264 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 23:20:09,269 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 23:20:09,272 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 23:20:09,275 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 23:20:09,279 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 23:20:09,281 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 23:20:09,284 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 23:20:09,288 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 23:20:09,290 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 23:20:09,293 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 23:20:09,296 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 23:20:09,299 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 23:20:09,302 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 23:20:09,304 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 23:20:09,307 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 23:20:09,310 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 23:20:09,316 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 23:20:09,319 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 23:20:09,321 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 23:20:09,862 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 23:20:10,429 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:20:10,434 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:20:10,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,437 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:20:10,442 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 23:20:10,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:20:10,501 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 23:20:10,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:20:10,549 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 23:20:10,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:20:10,588 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 23:20:10,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:10,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:10,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 23:20:10,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,639 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:20:10,640 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 23:20:10,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,685 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:20:10,689 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 23:20:10,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,722 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:20:10,725 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 23:20:10,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:10,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:10,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,777 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:20:10,779 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 23:20:10,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,811 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:20:10,813 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 23:20:10,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-28 23:20:10,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,852 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:20:10,854 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 23:20:10,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,890 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:20:10,894 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 23:20:10,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,924 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:20:10,926 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 23:20:10,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:10,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,956 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:20:10,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:10,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:10,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:10,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 23:20:10,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:10,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:10,989 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:10,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:20:10,990 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 23:20:10,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:10,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:10,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:10,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:10,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:10,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:10,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:11,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,060 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:20:11,065 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 23:20:11,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:11,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:11,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:11,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,099 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:20:11,101 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 23:20:11,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:11,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:11,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:11,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,139 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:20:11,142 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 23:20:11,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:11,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:11,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:11,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,191 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:20:11,195 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 23:20:11,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:11,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:11,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:11,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,225 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:20:11,229 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 23:20:11,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:11,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:11,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,274 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:20:11,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:11,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:11,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:11,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:11,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,309 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:20:11,310 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 23:20:11,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:11,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:11,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,354 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:20:11,355 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 23:20:11,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:11,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,363 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:20:11,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,366 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:20:11,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:11,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-28 23:20:11,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,419 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:20:11,420 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 23:20:11,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:11,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:11,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:11,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,472 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:20:11,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:11,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:11,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:11,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:11,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:11,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:11,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:11,535 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:20:11,572 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 23:20:11,573 INFO L444 ModelExtractionUtils]: 44 out of 55 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-28 23:20:11,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:11,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:11,585 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:11,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:20:11,586 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:20:11,619 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:20:11,619 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:20:11,620 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0.offset) = 2*ULTIMATE.start_cstrpbrk_~sc1~0.offset + 1 Supporting invariants [] [2021-10-28 23:20:11,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 23:20:11,744 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-10-28 23:20:11,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:11,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:20:11,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:11,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:20:11,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:11,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:11,983 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 23:20:11,986 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 23:20:11,994 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 23:20:12,039 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-10-28 23:20:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:20:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 23:20:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-10-28 23:20:12,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-28 23:20:12,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:12,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-10-28 23:20:12,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:12,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-10-28 23:20:12,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:12,046 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-10-28 23:20:12,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:20:12,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-10-28 23:20:12,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 23:20:12,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 23:20:12,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-10-28 23:20:12,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:20:12,055 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 23:20:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-10-28 23:20:12,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-28 23:20:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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 23:20:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-10-28 23:20:12,059 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 23:20:12,059 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 23:20:12,059 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:20:12,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-10-28 23:20:12,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:20:12,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:12,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:12,067 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:12,067 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:20:12,067 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 195#L382 assume !(main_~length1~0 < 1); 202#L382-2 assume !(main_~length2~0 < 1); 185#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 186#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 197#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 191#L372-5 [2021-10-28 23:20:12,067 INFO L793 eck$LassoCheckResult]: Loop: 191#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 192#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 200#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 191#L372-5 [2021-10-28 23:20:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:12,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-10-28 23:20:12,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:12,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112642097] [2021-10-28 23:20:12,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:12,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:12,124 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:12,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:12,146 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-10-28 23:20:12,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:12,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538554872] [2021-10-28 23:20:12,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:12,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:12,153 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:12,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:12,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:12,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-10-28 23:20:12,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:12,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464313806] [2021-10-28 23:20:12,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:12,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:12,184 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:12,210 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:13,092 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:20:13,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:20:13,093 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:20:13,093 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:20:13,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:20:13,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:13,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:20:13,093 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:20:13,093 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_reverse_alloca.i_Iteration3_Lasso [2021-10-28 23:20:13,093 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:20:13,093 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:20:13,099 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 23:20:13,106 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 23:20:13,108 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 23:20:13,110 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 23:20:13,112 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 23:20:13,114 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 23:20:13,116 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 23:20:13,117 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 23:20:13,120 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 23:20:13,122 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 23:20:13,124 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 23:20:13,126 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 23:20:13,128 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 23:20:13,130 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 23:20:13,131 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 23:20:13,135 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 23:20:13,137 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 23:20:13,139 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 23:20:13,619 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 23:20:13,621 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 23:20:14,251 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:20:14,251 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:20:14,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,254 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:14,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:20:14,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,312 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,320 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 23:20:14,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:20:14,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,382 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,386 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 23:20:14,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:14,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:14,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:20:14,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,453 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,456 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 23:20:14,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:20:14,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,523 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,527 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 23:20:14,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:20:14,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,591 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,593 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 23:20:14,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:20:14,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,650 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:20:14,651 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 23:20:14,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,680 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:20:14,681 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 23:20:14,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:14,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:14,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,748 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:14,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:20:14,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 23:20:14,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,797 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,798 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 23:20:14,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:20:14,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,842 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:20:14,844 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 23:20:14,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,876 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 23:20:14,877 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 23:20:14,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:14,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,909 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 23:20:14,915 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 23:20:14,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:14,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:14,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 23:20:14,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:14,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:14,972 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:14,981 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 23:20:14,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 23:20:14,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:14,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:14,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:14,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:14,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:14,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:14,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:15,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:15,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:15,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:15,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:15,043 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:15,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 23:20:15,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:15,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:15,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:15,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:15,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:15,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:15,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:15,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:15,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:15,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 23:20:15,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:15,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:15,100 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:15,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 23:20:15,101 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 23:20:15,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:15,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:15,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:15,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:15,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:15,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:15,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:15,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:15,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 23:20:15,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:15,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:15,129 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:15,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 23:20:15,131 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 23:20:15,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:15,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:15,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:15,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:15,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:15,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:15,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:15,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:15,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 23:20:15,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:15,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:15,159 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:15,161 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 23:20:15,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:15,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:15,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:15,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:15,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:15,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:15,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 23:20:15,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:15,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:15,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:15,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:15,221 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:15,232 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 23:20:15,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:15,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:15,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:15,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:15,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:15,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:15,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 23:20:15,290 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:20:15,408 INFO L443 ModelExtractionUtils]: Simplification made 36 calls to the SMT solver. [2021-10-28 23:20:15,408 INFO L444 ModelExtractionUtils]: 9 out of 52 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-10-28 23:20:15,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:15,409 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:15,414 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:20:15,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 23:20:15,447 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 23:20:15,447 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:20:15,447 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s2.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_2, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*ULTIMATE.start_cstrpbrk_~s2.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_2 + 2*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_2 + 1*ULTIMATE.start_cstrpbrk_~s2.offset - 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2 >= 0] [2021-10-28 23:20:15,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:15,551 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-10-28 23:20:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:15,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 23:20:15,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:15,749 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 23:20:15,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2021-10-28 23:20:15,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:15,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 23:20:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:15,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:20:15,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:15,884 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 23:20:15,887 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 23:20:15,888 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:15,976 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 7 states. [2021-10-28 23:20:15,977 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 23:20:15,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-28 23:20:15,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-28 23:20:15,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:15,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-10-28 23:20:15,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:15,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-10-28 23:20:15,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:15,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-28 23:20:15,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:20:15,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-10-28 23:20:15,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 23:20:15,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 23:20:15,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-10-28 23:20:15,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:20:15,989 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-28 23:20:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-10-28 23:20:15,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-10-28 23:20:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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 23:20:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-10-28 23:20:15,995 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-28 23:20:15,995 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-28 23:20:15,995 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:20:15,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-10-28 23:20:15,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:20:15,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:15,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:15,998 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:15,999 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:20:15,999 INFO L791 eck$LassoCheckResult]: Stem: 381#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 382#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 391#L382 assume !(main_~length1~0 < 1); 400#L382-2 assume !(main_~length2~0 < 1); 383#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 384#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 392#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 401#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 404#L372-1 assume !cstrpbrk_#t~short210; 402#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210; 385#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 386#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 396#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset - 1;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 393#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 395#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 387#L372-5 [2021-10-28 23:20:15,999 INFO L793 eck$LassoCheckResult]: Loop: 387#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 388#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 397#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 387#L372-5 [2021-10-28 23:20:15,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:16,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-10-28 23:20:16,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:16,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586348471] [2021-10-28 23:20:16,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:16,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:16,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:16,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586348471] [2021-10-28 23:20:16,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586348471] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:16,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:16,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:20:16,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335247352] [2021-10-28 23:20:16,108 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:20:16,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-10-28 23:20:16,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:16,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556954489] [2021-10-28 23:20:16,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:16,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:16,122 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:16,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:16,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:16,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:20:16,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:20:16,262 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) 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 23:20:16,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:16,352 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-10-28 23:20:16,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:20:16,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-10-28 23:20:16,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:20:16,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-10-28 23:20:16,355 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 23:20:16,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 23:20:16,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-10-28 23:20:16,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:20:16,355 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-28 23:20:16,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-10-28 23:20:16,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-10-28 23:20:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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 23:20:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-10-28 23:20:16,358 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-28 23:20:16,358 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-28 23:20:16,359 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:20:16,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-10-28 23:20:16,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:20:16,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:16,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:16,360 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:16,360 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:20:16,361 INFO L791 eck$LassoCheckResult]: Stem: 453#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 454#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 463#L382 assume !(main_~length1~0 < 1); 472#L382-2 assume !(main_~length2~0 < 1); 455#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 456#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 464#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 477#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 476#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 474#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210; 457#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 458#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 468#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset - 1;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 465#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 467#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 459#L372-5 [2021-10-28 23:20:16,361 INFO L793 eck$LassoCheckResult]: Loop: 459#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 460#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 469#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 459#L372-5 [2021-10-28 23:20:16,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:16,362 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-10-28 23:20:16,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:16,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717646185] [2021-10-28 23:20:16,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:16,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:16,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:16,401 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:16,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:16,402 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-10-28 23:20:16,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:16,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68369791] [2021-10-28 23:20:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:16,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:16,408 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:16,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:16,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:16,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-10-28 23:20:16,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:16,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764302367] [2021-10-28 23:20:16,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:16,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:16,434 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:16,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:17,919 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:20:17,919 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:20:17,919 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:20:17,919 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:20:17,919 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:20:17,920 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:17,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:20:17,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:20:17,920 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_reverse_alloca.i_Iteration5_Lasso [2021-10-28 23:20:17,920 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:20:17,920 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:20:17,924 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 23:20:17,927 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 23:20:17,929 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 23:20:17,931 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 23:20:17,933 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 23:20:17,935 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 23:20:17,938 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 23:20:17,940 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 23:20:17,942 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 23:20:17,944 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 23:20:19,060 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 23:20:19,065 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 23:20:19,068 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 23:20:19,070 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 23:20:19,072 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 23:20:19,074 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 23:20:19,076 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 23:20:19,077 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 23:20:19,079 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 23:20:19,081 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 23:20:19,083 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 23:20:19,970 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:20:19,970 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:20:19,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:19,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:19,980 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:19,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 23:20:19,982 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 23:20:19,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:19,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:19,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:19,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:19,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:19,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:19,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:19,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 23:20:20,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,013 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 23:20:20,032 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 23:20:20,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:20,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:20,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:20,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-28 23:20:20,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,102 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 23:20:20,103 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 23:20:20,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:20,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:20,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:20,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:20,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,131 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 23:20:20,133 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 23:20:20,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:20,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:20,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:20,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:20,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,162 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 23:20:20,163 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 23:20:20,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:20,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:20,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:20,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:20,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,192 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 23:20:20,194 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 23:20:20,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:20,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:20,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 23:20:20,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,226 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 23:20:20,227 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 23:20:20,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:20,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:20,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 23:20:20,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,258 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 23:20:20,259 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 23:20:20,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:20,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:20,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:20,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 23:20:20,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,311 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 23:20:20,312 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 23:20:20,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:20,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:20,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:20,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 23:20:20,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,344 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 23:20:20,347 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 23:20:20,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:20,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:20,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 23:20:20,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,380 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 23:20:20,381 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 23:20:20,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:20,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:20,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:20,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 23:20:20,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,418 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 23:20:20,420 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 23:20:20,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:20,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:20,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:20,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:20,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:20,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:20,466 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:20:20,503 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 23:20:20,503 INFO L444 ModelExtractionUtils]: 20 out of 55 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-10-28 23:20:20,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:20,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:20,510 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:20,512 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:20:20,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 23:20:20,535 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:20:20,535 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:20:20,535 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0.offset) = 2*ULTIMATE.start_cstrpbrk_~s~0.offset + 1 Supporting invariants [] [2021-10-28 23:20:20,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:20,666 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-10-28 23:20:20,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:20:20,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:20:20,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:20,771 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 23:20:20,771 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 23:20:20,772 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:20:20,788 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 41 states and 51 transitions. Complement of second has 5 states. [2021-10-28 23:20:20,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:20:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:20:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-10-28 23:20:20,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 23:20:20,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:20,789 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:20:20,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:20:20,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:20:20,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:20,892 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 23:20:20,892 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:20:20,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:20:20,905 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 41 states and 51 transitions. Complement of second has 5 states. [2021-10-28 23:20:20,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:20:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:20:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-10-28 23:20:20,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 23:20:20,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:20,907 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:20:20,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:20:20,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:20:20,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:21,007 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 23:20:21,009 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:20:21,009 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:20:21,032 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 41 states and 53 transitions. Complement of second has 4 states. [2021-10-28 23:20:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:20:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 23:20:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2021-10-28 23:20:21,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 23:20:21,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:21,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-28 23:20:21,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:21,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-28 23:20:21,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:21,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-10-28 23:20:21,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:20:21,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-10-28 23:20:21,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:20:21,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:20:21,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:20:21,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:20:21,047 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:21,047 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:21,047 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:21,047 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 23:20:21,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:20:21,047 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:20:21,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:20:21,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:20:21 BoogieIcfgContainer [2021-10-28 23:20:21,052 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:20:21,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:20:21,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:20:21,053 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:20:21,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:07" (3/4) ... [2021-10-28 23:20:21,057 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:20:21,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:20:21,058 INFO L168 Benchmark]: Toolchain (without parser) took 14598.32 ms. Allocated memory was 121.6 MB in the beginning and 211.8 MB in the end (delta: 90.2 MB). Free memory was 77.9 MB in the beginning and 111.7 MB in the end (delta: -33.7 MB). Peak memory consumption was 56.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:21,058 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 121.6 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:21,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.86 ms. Allocated memory is still 121.6 MB. Free memory was 77.8 MB in the beginning and 87.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:21,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 121.6 MB. Free memory was 87.8 MB in the beginning and 86.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:21,059 INFO L168 Benchmark]: Boogie Preprocessor took 24.53 ms. Allocated memory is still 121.6 MB. Free memory was 86.0 MB in the beginning and 84.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:21,060 INFO L168 Benchmark]: RCFGBuilder took 413.46 ms. Allocated memory is still 121.6 MB. Free memory was 84.6 MB in the beginning and 73.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:21,060 INFO L168 Benchmark]: BuchiAutomizer took 13584.80 ms. Allocated memory was 121.6 MB in the beginning and 211.8 MB in the end (delta: 90.2 MB). Free memory was 73.1 MB in the beginning and 112.6 MB in the end (delta: -39.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:21,061 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 211.8 MB. Free memory is still 111.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:21,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 121.6 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.86 ms. Allocated memory is still 121.6 MB. Free memory was 77.8 MB in the beginning and 87.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 121.6 MB. Free memory was 87.8 MB in the beginning and 86.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.53 ms. Allocated memory is still 121.6 MB. Free memory was 86.0 MB in the beginning and 84.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 413.46 ms. Allocated memory is still 121.6 MB. Free memory was 84.6 MB in the beginning and 73.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13584.80 ms. Allocated memory was 121.6 MB in the beginning and 211.8 MB in the end (delta: 90.2 MB). Free memory was 73.1 MB in the beginning and 112.6 MB in the end (delta: -39.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.05 ms. Allocated memory is still 211.8 MB. Free memory is still 111.7 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * sc1 + 1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + s2 + 2 * s and consists of 5 locations. One nondeterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.5s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 12.1s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 115 SDtfs, 123 SDslu, 71 SDs, 0 SdLazy, 95 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital290 mio100 ax100 hnf100 lsp106 ukn84 mio100 lsp40 div114 bol100 ite100 ukn100 eq184 hnf84 smp97 dnf489 smp31 tf100 neg96 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms 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 23:20:21,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-28 23:20:21,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48582e4-9e89-4834-bd05-15497c44bbe9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...