./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/build_fullname.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/build_fullname.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa --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 a94efb38726e31d82dd0f9b69ca78af66088512f062899ae9486e09091250b69 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:56:27,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:56:27,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:56:27,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:56:27,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:56:27,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:56:27,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:56:27,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:56:27,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:56:27,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:56:27,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:56:27,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:56:27,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:56:27,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:56:27,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:56:27,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:56:27,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:56:27,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:56:27,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:56:27,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:56:27,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:56:27,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:56:27,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:56:27,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:56:27,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:56:27,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:56:27,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:56:27,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:56:27,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:56:27,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:56:27,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:56:27,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:56:27,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:56:27,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:56:27,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:56:27,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:56:27,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:56:27,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:56:27,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:56:27,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:56:27,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:56:27,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 17:56:27,615 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:56:27,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:56:27,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:56:27,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:56:27,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:56:27,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:56:27,617 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:56:27,617 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 17:56:27,617 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 17:56:27,617 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 17:56:27,617 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 17:56:27,618 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 17:56:27,618 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 17:56:27,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:56:27,618 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:56:27,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:56:27,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:56:27,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 17:56:27,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 17:56:27,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 17:56:27,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:56:27,619 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 17:56:27,620 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:56:27,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 17:56:27,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:56:27,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:56:27,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:56:27,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:56:27,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:56:27,622 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 17:56:27,622 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_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94efb38726e31d82dd0f9b69ca78af66088512f062899ae9486e09091250b69 [2021-12-06 17:56:27,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:56:27,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:56:27,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:56:27,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:56:27,818 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:56:27,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-dietlibc/build_fullname.i [2021-12-06 17:56:27,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/data/08ff5097c/4cae2a649dc3469b83f7f6377cd942c9/FLAG46dd968b4 [2021-12-06 17:56:28,278 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:56:28,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/sv-benchmarks/c/termination-dietlibc/build_fullname.i [2021-12-06 17:56:28,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/data/08ff5097c/4cae2a649dc3469b83f7f6377cd942c9/FLAG46dd968b4 [2021-12-06 17:56:28,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/data/08ff5097c/4cae2a649dc3469b83f7f6377cd942c9 [2021-12-06 17:56:28,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:56:28,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:56:28,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:56:28,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:56:28,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:56:28,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69758a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28, skipping insertion in model container [2021-12-06 17:56:28,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:56:28,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:56:28,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:56:28,551 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:56:28,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:56:28,611 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:56:28,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28 WrapperNode [2021-12-06 17:56:28,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:56:28,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:56:28,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:56:28,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:56:28,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,652 INFO L137 Inliner]: procedures = 115, calls = 27, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 147 [2021-12-06 17:56:28,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:56:28,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:56:28,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:56:28,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:56:28,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:56:28,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:56:28,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:56:28,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:56:28,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (1/1) ... [2021-12-06 17:56:28,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:28,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:28,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 17:56:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:56:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:56:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:56:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:56:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:56:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:56:28,810 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:56:28,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:56:28,977 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:56:28,984 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:56:28,984 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 17:56:28,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:56:28 BoogieIcfgContainer [2021-12-06 17:56:28,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:56:28,986 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 17:56:28,986 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 17:56:28,988 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 17:56:28,989 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:56:28,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 05:56:28" (1/3) ... [2021-12-06 17:56:28,989 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d62a23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:56:28, skipping insertion in model container [2021-12-06 17:56:28,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:56:28,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:28" (2/3) ... [2021-12-06 17:56:28,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d62a23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:56:28, skipping insertion in model container [2021-12-06 17:56:28,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:56:28,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:56:28" (3/3) ... [2021-12-06 17:56:28,991 INFO L388 chiAutomizerObserver]: Analyzing ICFG build_fullname.i [2021-12-06 17:56:29,022 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 17:56:29,023 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 17:56:29,023 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 17:56:29,023 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 17:56:29,023 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 17:56:29,023 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 17:56:29,023 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 17:56:29,023 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 17:56:29,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 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) [2021-12-06 17:56:29,047 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-06 17:56:29,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:29,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:29,051 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:29,051 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:56:29,052 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 17:56:29,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 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) [2021-12-06 17:56:29,053 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-06 17:56:29,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:29,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:29,054 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:29,054 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:56:29,059 INFO L791 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 22#L532true assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 20#L534true assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 23#L521true assume build_fullname_#t~short10#1;call build_fullname_#t~mem9#1 := read~int(build_fullname_~directory#1.base, 1 + build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 0 == build_fullname_#t~mem9#1; 6#L521-2true assume build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call write~int(47, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 1);build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;havoc build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset; 4#L523-4true assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 21#L508-8true [2021-12-06 17:56:29,059 INFO L793 eck$LassoCheckResult]: Loop: 21#L508-8true strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 19#L508-6true assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 21#L508-8true [2021-12-06 17:56:29,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:29,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1806905919, now seen corresponding path program 1 times [2021-12-06 17:56:29,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:29,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249014283] [2021-12-06 17:56:29,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:29,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:29,195 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:29,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:29,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:29,246 INFO L85 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 1 times [2021-12-06 17:56:29,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:29,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619863255] [2021-12-06 17:56:29,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:29,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:29,258 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:29,268 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:29,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:29,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1269803204, now seen corresponding path program 1 times [2021-12-06 17:56:29,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:29,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243246726] [2021-12-06 17:56:29,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:29,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:29,322 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:29,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:30,770 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:56:30,770 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:56:30,770 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:56:30,771 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:56:30,771 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:56:30,771 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:30,771 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:56:30,771 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:56:30,771 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration1_Lasso [2021-12-06 17:56:30,771 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:56:30,772 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:56:30,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:30,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:31,772 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:56:31,775 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:56:31,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:31,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:31,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:31,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 17:56:31,779 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 [2021-12-06 17:56:31,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:31,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:31,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:31,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:31,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:31,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:31,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:31,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:31,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:31,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:31,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:31,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:31,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 17:56:31,811 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 [2021-12-06 17:56:31,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:31,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:31,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:31,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:31,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:31,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:31,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:31,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:31,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 17:56:31,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:31,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:31,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:31,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 17:56:31,841 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 [2021-12-06 17:56:31,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:31,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:31,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:31,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:31,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:31,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:31,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:31,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:31,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 17:56:31,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:31,870 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:31,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 17:56:31,871 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 [2021-12-06 17:56:31,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:31,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:31,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:31,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:31,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:31,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:31,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:31,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:31,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 17:56:31,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:31,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:31,899 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:31,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 17:56:31,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:31,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:31,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:31,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:31,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:31,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:31,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:31,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:31,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:31,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 17:56:31,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:31,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:31,929 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:31,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 17:56:31,930 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 [2021-12-06 17:56:31,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:31,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:31,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:31,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:31,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:31,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:31,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:31,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:31,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 17:56:31,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:31,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:31,959 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:31,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 17:56:31,960 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 [2021-12-06 17:56:31,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:31,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:31,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:31,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:31,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:31,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:31,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:31,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:31,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:31,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:31,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:31,988 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:31,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 17:56:31,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:31,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:31,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:31,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:31,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:31,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:31,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:31,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:31,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 17:56:32,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,017 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 17:56:32,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:32,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:32,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:32,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 17:56:32,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,050 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 17:56:32,051 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 [2021-12-06 17:56:32,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 17:56:32,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 17:56:32,081 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 [2021-12-06 17:56:32,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:32,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,109 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 17:56:32,110 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 [2021-12-06 17:56:32,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 17:56:32,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,138 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 17:56:32,139 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 [2021-12-06 17:56:32,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 17:56:32,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,167 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 17:56:32,168 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 [2021-12-06 17:56:32,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 17:56:32,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,196 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 17:56:32,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:32,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 17:56:32,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,226 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 17:56:32,228 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 [2021-12-06 17:56:32,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 17:56:32,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,256 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 17:56:32,257 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 [2021-12-06 17:56:32,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:32,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:32,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 17:56:32,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,287 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 17:56:32,288 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 [2021-12-06 17:56:32,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:32,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,316 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 17:56:32,318 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 [2021-12-06 17:56:32,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:32,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:32,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:32,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,353 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 17:56:32,354 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 [2021-12-06 17:56:32,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:32,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:32,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 17:56:32,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,410 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 17:56:32,411 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 [2021-12-06 17:56:32,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:32,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:32,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 17:56:32,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,442 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 17:56:32,443 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 [2021-12-06 17:56:32,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:32,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:32,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:32,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:32,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 17:56:32,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,471 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 17:56:32,473 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 [2021-12-06 17:56:32,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:32,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:32,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:32,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:32,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:32,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:32,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:56:32,641 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-12-06 17:56:32,641 INFO L444 ModelExtractionUtils]: 21 out of 79 variables were initially zero. Simplification set additionally 55 variables to zero. [2021-12-06 17:56:32,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:32,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:32,644 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:32,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 17:56:32,645 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:56:32,655 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:56:32,655 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:56:32,655 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_1, ULTIMATE.start_strcpy_~s1#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_1 - 1*ULTIMATE.start_strcpy_~s1#1.offset Supporting invariants [] [2021-12-06 17:56:32,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 17:56:32,809 INFO L297 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2021-12-06 17:56:32,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:32,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 17:56:32,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:32,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 17:56:32,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:56:32,928 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 17:56:32,929 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 26 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:32,992 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 26 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 81 transitions. Complement of second has 8 states. [2021-12-06 17:56:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 17:56:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2021-12-06 17:56:33,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-06 17:56:33,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:33,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-06 17:56:33,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:33,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-06 17:56:33,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:33,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 81 transitions. [2021-12-06 17:56:33,007 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-06 17:56:33,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 22 states and 27 transitions. [2021-12-06 17:56:33,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-12-06 17:56:33,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-12-06 17:56:33,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2021-12-06 17:56:33,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:56:33,012 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-06 17:56:33,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2021-12-06 17:56:33,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2021-12-06 17:56:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 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) [2021-12-06 17:56:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-12-06 17:56:33,036 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-06 17:56:33,036 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-06 17:56:33,037 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 17:56:33,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-12-06 17:56:33,037 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-06 17:56:33,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:33,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:33,038 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:33,038 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:56:33,038 INFO L791 eck$LassoCheckResult]: Stem: 292#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 304#L532 assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 295#L534 assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 296#L521 assume build_fullname_#t~short10#1;call build_fullname_#t~mem9#1 := read~int(build_fullname_~directory#1.base, 1 + build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 0 == build_fullname_#t~mem9#1; 300#L521-2 assume !build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call build_fullname_#t~mem12#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 46 != build_fullname_#t~mem12#1; 301#L523 assume !build_fullname_#t~short14#1;call build_fullname_#t~mem13#1 := read~int(build_fullname_~directory#1.base, 1 + build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 0 != build_fullname_#t~mem13#1; 305#L523-2 assume build_fullname_#t~short14#1;havoc build_fullname_#t~mem12#1;havoc build_fullname_#t~mem13#1;havoc build_fullname_#t~short14#1;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 306#L508-3 [2021-12-06 17:56:33,039 INFO L793 eck$LassoCheckResult]: Loop: 306#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 307#L508-1 assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 306#L508-3 [2021-12-06 17:56:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:33,039 INFO L85 PathProgramCache]: Analyzing trace with hash 179509076, now seen corresponding path program 1 times [2021-12-06 17:56:33,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:33,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960378540] [2021-12-06 17:56:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:33,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:33,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 17:56:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:56:33,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:56:33,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960378540] [2021-12-06 17:56:33,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960378540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:56:33,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:56:33,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:56:33,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274635053] [2021-12-06 17:56:33,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:56:33,105 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:56:33,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:33,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2150, now seen corresponding path program 1 times [2021-12-06 17:56:33,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:33,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835586067] [2021-12-06 17:56:33,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:33,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:33,111 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:33,116 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:33,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:56:33,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:56:33,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:56:33,193 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2021-12-06 17:56:33,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:56:33,229 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2021-12-06 17:56:33,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:56:33,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-12-06 17:56:33,231 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-06 17:56:33,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 30 transitions. [2021-12-06 17:56:33,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-12-06 17:56:33,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-06 17:56:33,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2021-12-06 17:56:33,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:56:33,232 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-12-06 17:56:33,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2021-12-06 17:56:33,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2021-12-06 17:56:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2021-12-06 17:56:33,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-06 17:56:33,234 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-06 17:56:33,234 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-06 17:56:33,234 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 17:56:33,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-12-06 17:56:33,235 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-06 17:56:33,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:33,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:33,235 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:33,235 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:56:33,235 INFO L791 eck$LassoCheckResult]: Stem: 347#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 348#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 359#L532 assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 350#L534 assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 351#L521 assume !build_fullname_#t~short10#1; 355#L521-2 assume !build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call build_fullname_#t~mem12#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 46 != build_fullname_#t~mem12#1; 356#L523 assume !build_fullname_#t~short14#1;call build_fullname_#t~mem13#1 := read~int(build_fullname_~directory#1.base, 1 + build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 0 != build_fullname_#t~mem13#1; 362#L523-2 assume build_fullname_#t~short14#1;havoc build_fullname_#t~mem12#1;havoc build_fullname_#t~mem13#1;havoc build_fullname_#t~short14#1;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 363#L508-3 [2021-12-06 17:56:33,235 INFO L793 eck$LassoCheckResult]: Loop: 363#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 364#L508-1 assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 363#L508-3 [2021-12-06 17:56:33,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash 179568658, now seen corresponding path program 1 times [2021-12-06 17:56:33,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:33,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59366540] [2021-12-06 17:56:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:33,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:33,250 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:33,266 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:33,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2150, now seen corresponding path program 2 times [2021-12-06 17:56:33,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:33,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023417452] [2021-12-06 17:56:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:33,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:33,271 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:33,275 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:33,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:33,275 INFO L85 PathProgramCache]: Analyzing trace with hash 766789687, now seen corresponding path program 1 times [2021-12-06 17:56:33,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:33,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906466733] [2021-12-06 17:56:33,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:33,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:33,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:33,309 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:34,463 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:56:34,463 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:56:34,463 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:56:34,463 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:56:34,463 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:56:34,463 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:34,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:56:34,463 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:56:34,463 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration3_Lasso [2021-12-06 17:56:34,463 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:56:34,463 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:56:34,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:34,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:35,404 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:56:35,404 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:56:35,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,405 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 17:56:35,406 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 [2021-12-06 17:56:35,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 17:56:35,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,433 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 17:56:35,435 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 [2021-12-06 17:56:35,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:35,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,462 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 17:56:35,466 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 [2021-12-06 17:56:35,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:35,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,494 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 17:56:35,495 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 [2021-12-06 17:56:35,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 17:56:35,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,523 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 17:56:35,524 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 [2021-12-06 17:56:35,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 17:56:35,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,552 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 17:56:35,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:35,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:35,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,581 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 17:56:35,582 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 [2021-12-06 17:56:35,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 17:56:35,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,610 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 17:56:35,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:35,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:35,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:35,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 17:56:35,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,643 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 17:56:35,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:35,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:35,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,672 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 17:56:35,673 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 [2021-12-06 17:56:35,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 17:56:35,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,702 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 17:56:35,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:35,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 17:56:35,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,732 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 17:56:35,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:35,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:35,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:35,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:35,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,763 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 17:56:35,765 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 [2021-12-06 17:56:35,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:35,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:35,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:35,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,798 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 17:56:35,799 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 [2021-12-06 17:56:35,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:35,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:35,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:35,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 17:56:35,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,828 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 17:56:35,829 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 [2021-12-06 17:56:35,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:35,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:35,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 17:56:35,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,862 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 17:56:35,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:35,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:35,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:35,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 17:56:35,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,897 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 17:56:35,898 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 [2021-12-06 17:56:35,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:35,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:35,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:35,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,949 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 17:56:35,950 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 [2021-12-06 17:56:35,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:35,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:35,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:35,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:35,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 17:56:35,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:35,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:35,982 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:35,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 17:56:35,983 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 [2021-12-06 17:56:35,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:35,990 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-06 17:56:35,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:35,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:35,991 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-06 17:56:35,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:35,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:36,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:36,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:36,013 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:36,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 17:56:36,014 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 [2021-12-06 17:56:36,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:36,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:36,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:36,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:36,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:36,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:36,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:36,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:36,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:36,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:36,044 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:36,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 17:56:36,048 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 [2021-12-06 17:56:36,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:36,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:36,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:36,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:36,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:36,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:36,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:36,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 17:56:36,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:36,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:36,084 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:36,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 17:56:36,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:36,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:36,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:36,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:36,093 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 17:56:36,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:36,094 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:56:36,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:36,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:36,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 17:56:36,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:36,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:36,115 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:36,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 17:56:36,117 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 [2021-12-06 17:56:36,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:36,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:36,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:36,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:36,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:36,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:36,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:36,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 17:56:36,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:36,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:36,149 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:36,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 17:56:36,151 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 [2021-12-06 17:56:36,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:36,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:36,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:36,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:36,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:36,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:36,183 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:56:36,232 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2021-12-06 17:56:36,232 INFO L444 ModelExtractionUtils]: 47 out of 70 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-12-06 17:56:36,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:36,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:36,233 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:36,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 17:56:36,234 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:56:36,242 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:56:36,242 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:56:36,242 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcpy_~s2#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc21#1.base)_2) = -1*ULTIMATE.start_strcpy_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc21#1.base)_2 Supporting invariants [] [2021-12-06 17:56:36,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:36,361 INFO L297 tatePredicateManager]: 29 out of 31 supporting invariants were superfluous and have been removed [2021-12-06 17:56:36,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:36,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 17:56:36,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:36,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 17:56:36,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:56:36,460 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 17:56:36,460 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:36,491 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 39 transitions. Complement of second has 6 states. [2021-12-06 17:56:36,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:56:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-12-06 17:56:36,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-06 17:56:36,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:36,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-06 17:56:36,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:36,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-06 17:56:36,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:36,493 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-12-06 17:56:36,494 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 17:56:36,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 23 states and 28 transitions. [2021-12-06 17:56:36,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-06 17:56:36,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-12-06 17:56:36,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-12-06 17:56:36,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:56:36,495 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-12-06 17:56:36,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-12-06 17:56:36,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-12-06 17:56:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 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) [2021-12-06 17:56:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2021-12-06 17:56:36,497 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-12-06 17:56:36,497 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-12-06 17:56:36,497 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 17:56:36,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2021-12-06 17:56:36,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 17:56:36,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:36,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:36,498 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:36,498 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:56:36,498 INFO L791 eck$LassoCheckResult]: Stem: 584#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 585#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 596#L532 assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 587#L534 assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 588#L521 assume !build_fullname_#t~short10#1; 597#L521-2 assume !build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call build_fullname_#t~mem12#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 46 != build_fullname_#t~mem12#1; 604#L523 assume !build_fullname_#t~short14#1;call build_fullname_#t~mem13#1 := read~int(build_fullname_~directory#1.base, 1 + build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 0 != build_fullname_#t~mem13#1; 598#L523-2 assume build_fullname_#t~short14#1;havoc build_fullname_#t~mem12#1;havoc build_fullname_#t~mem13#1;havoc build_fullname_#t~short14#1;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 599#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 600#L508-1 assume !(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 602#L508-4 strcpy_#res#1.base, strcpy_#res#1.offset := strcpy_~res~0#1.base, strcpy_~res~0#1.offset; 603#L509 build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset := strcpy_#res#1.base, strcpy_#res#1.offset;assume { :end_inline_strcpy } true;havoc build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 0;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 591#L514-2 [2021-12-06 17:56:36,498 INFO L793 eck$LassoCheckResult]: Loop: 591#L514-2 assume !false;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 594#L515 assume !(strchr_#t~mem5#1 == strchr_~ch~0#1);havoc strchr_#t~mem5#1;call strchr_#t~mem6#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 589#L515-2 assume !(0 == strchr_#t~mem6#1);havoc strchr_#t~mem6#1;strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset; 591#L514-2 [2021-12-06 17:56:36,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1849486153, now seen corresponding path program 1 times [2021-12-06 17:56:36,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:36,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731038187] [2021-12-06 17:56:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:36,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:56:36,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:56:36,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731038187] [2021-12-06 17:56:36,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731038187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:56:36,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:56:36,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:56:36,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698804028] [2021-12-06 17:56:36,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:56:36,556 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:56:36,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,556 INFO L85 PathProgramCache]: Analyzing trace with hash 85564, now seen corresponding path program 1 times [2021-12-06 17:56:36,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:36,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572552894] [2021-12-06 17:56:36,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:36,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,561 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,565 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:36,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:56:36,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:56:36,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:56:36,598 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:36,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:56:36,636 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-12-06 17:56:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:56:36,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2021-12-06 17:56:36,638 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 17:56:36,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 32 transitions. [2021-12-06 17:56:36,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 17:56:36,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 17:56:36,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2021-12-06 17:56:36,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:56:36,639 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-12-06 17:56:36,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2021-12-06 17:56:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2021-12-06 17:56:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-12-06 17:56:36,641 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-06 17:56:36,641 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-06 17:56:36,641 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 17:56:36,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2021-12-06 17:56:36,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 17:56:36,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:36,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:36,643 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:36,643 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:56:36,643 INFO L791 eck$LassoCheckResult]: Stem: 647#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 648#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 657#L532 assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 650#L534 assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 651#L521 assume !build_fullname_#t~short10#1; 660#L521-2 assume !build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call build_fullname_#t~mem12#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 46 != build_fullname_#t~mem12#1; 670#L523 assume build_fullname_#t~short14#1; 661#L523-2 assume build_fullname_#t~short14#1;havoc build_fullname_#t~mem12#1;havoc build_fullname_#t~mem13#1;havoc build_fullname_#t~short14#1;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 669#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 666#L508-1 assume !(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 668#L508-4 strcpy_#res#1.base, strcpy_#res#1.offset := strcpy_~res~0#1.base, strcpy_~res~0#1.offset; 667#L509 build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset := strcpy_#res#1.base, strcpy_#res#1.offset;assume { :end_inline_strcpy } true;havoc build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 0;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 654#L514-2 [2021-12-06 17:56:36,643 INFO L793 eck$LassoCheckResult]: Loop: 654#L514-2 assume !false;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 658#L515 assume !(strchr_#t~mem5#1 == strchr_~ch~0#1);havoc strchr_#t~mem5#1;call strchr_#t~mem6#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 652#L515-2 assume !(0 == strchr_#t~mem6#1);havoc strchr_#t~mem6#1;strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset; 654#L514-2 [2021-12-06 17:56:36,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1906744455, now seen corresponding path program 1 times [2021-12-06 17:56:36,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:36,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669977671] [2021-12-06 17:56:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:36,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,674 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 17:56:36,692 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:36,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,693 INFO L85 PathProgramCache]: Analyzing trace with hash 85564, now seen corresponding path program 2 times [2021-12-06 17:56:36,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:36,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080242034] [2021-12-06 17:56:36,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:36,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,696 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,698 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:36,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1413453764, now seen corresponding path program 1 times [2021-12-06 17:56:36,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:36,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542406785] [2021-12-06 17:56:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:36,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:56:36,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:56:36,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542406785] [2021-12-06 17:56:36,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542406785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:56:36,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:56:36,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:56:36,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411863889] [2021-12-06 17:56:36,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:56:36,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:56:36,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:56:36,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:56:36,769 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:36,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:56:36,819 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2021-12-06 17:56:36,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:56:36,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2021-12-06 17:56:36,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 17:56:36,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 43 transitions. [2021-12-06 17:56:36,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-12-06 17:56:36,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-12-06 17:56:36,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2021-12-06 17:56:36,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:56:36,822 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2021-12-06 17:56:36,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2021-12-06 17:56:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2021-12-06 17:56:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 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) [2021-12-06 17:56:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2021-12-06 17:56:36,824 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-12-06 17:56:36,824 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-12-06 17:56:36,824 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 17:56:36,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2021-12-06 17:56:36,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 17:56:36,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:36,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:36,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:36,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:56:36,825 INFO L791 eck$LassoCheckResult]: Stem: 725#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 726#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 737#L532 assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 728#L534 assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 729#L521 assume !build_fullname_#t~short10#1; 732#L521-2 assume !build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call build_fullname_#t~mem12#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 46 != build_fullname_#t~mem12#1; 733#L523 assume build_fullname_#t~short14#1; 740#L523-2 assume build_fullname_#t~short14#1;havoc build_fullname_#t~mem12#1;havoc build_fullname_#t~mem13#1;havoc build_fullname_#t~short14#1;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 749#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 750#L508-1 assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 744#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 745#L508-1 assume !(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 748#L508-4 strcpy_#res#1.base, strcpy_#res#1.offset := strcpy_~res~0#1.base, strcpy_~res~0#1.offset; 746#L509 build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset := strcpy_#res#1.base, strcpy_#res#1.offset;assume { :end_inline_strcpy } true;havoc build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 0;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 747#L514-2 [2021-12-06 17:56:36,825 INFO L793 eck$LassoCheckResult]: Loop: 747#L514-2 assume !false;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 734#L515 assume !(strchr_#t~mem5#1 == strchr_~ch~0#1);havoc strchr_#t~mem5#1;call strchr_#t~mem6#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 736#L515-2 assume !(0 == strchr_#t~mem6#1);havoc strchr_#t~mem6#1;strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset; 747#L514-2 [2021-12-06 17:56:36,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1571186846, now seen corresponding path program 1 times [2021-12-06 17:56:36,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:36,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881398918] [2021-12-06 17:56:36,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:36,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,843 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:36,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash 85564, now seen corresponding path program 3 times [2021-12-06 17:56:36,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:36,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600605632] [2021-12-06 17:56:36,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:36,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,865 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:36,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:36,868 INFO L85 PathProgramCache]: Analyzing trace with hash 673793151, now seen corresponding path program 1 times [2021-12-06 17:56:36,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:36,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667947281] [2021-12-06 17:56:36,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:36,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,884 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:36,903 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:39,676 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:56:39,676 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:56:39,676 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:56:39,676 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:56:39,677 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:56:39,677 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:39,677 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:56:39,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:56:39,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration6_Lasso [2021-12-06 17:56:39,677 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:56:39,677 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:56:39,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:39,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:40,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:41,022 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:56:41,023 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:56:41,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,024 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 17:56:41,031 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 [2021-12-06 17:56:41,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:41,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:41,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:41,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 17:56:41,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,059 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 17:56:41,060 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 [2021-12-06 17:56:41,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:41,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:41,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:41,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 17:56:41,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,087 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 17:56:41,089 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 [2021-12-06 17:56:41,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:41,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:41,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:41,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 17:56:41,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,116 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 17:56:41,117 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 [2021-12-06 17:56:41,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:41,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:41,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:41,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:41,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,144 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 17:56:41,146 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 [2021-12-06 17:56:41,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:41,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:41,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:41,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 17:56:41,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,173 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 17:56:41,174 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 [2021-12-06 17:56:41,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:41,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:41,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:41,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 17:56:41,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,201 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 17:56:41,202 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 [2021-12-06 17:56:41,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:41,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:41,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:41,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 17:56:41,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,230 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 17:56:41,231 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 [2021-12-06 17:56:41,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:41,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:41,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:41,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 17:56:41,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,257 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 17:56:41,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:41,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:41,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:41,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:41,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 17:56:41,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,287 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 17:56:41,288 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 [2021-12-06 17:56:41,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:41,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:41,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:41,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:41,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:41,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:41,324 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:56:41,352 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-06 17:56:41,353 INFO L444 ModelExtractionUtils]: 70 out of 82 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-06 17:56:41,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:41,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:41,353 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:41,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 17:56:41,354 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:56:41,362 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:56:41,362 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:56:41,362 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strchr_~t#1.base)_1, ULTIMATE.start_strchr_~t#1.offset) = 1*v_rep(select #length ULTIMATE.start_strchr_~t#1.base)_1 - 1*ULTIMATE.start_strchr_~t#1.offset Supporting invariants [] [2021-12-06 17:56:41,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:41,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 17:56:41,526 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2021-12-06 17:56:41,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:41,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:56:41,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:41,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:56:41,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:56:41,583 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 [2021-12-06 17:56:41,583 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:41,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 54 transitions. Complement of second has 4 states. [2021-12-06 17:56:41,595 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 [2021-12-06 17:56:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2021-12-06 17:56:41,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 14 letters. Loop has 3 letters. [2021-12-06 17:56:41,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:41,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 17 letters. Loop has 3 letters. [2021-12-06 17:56:41,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:41,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 14 letters. Loop has 6 letters. [2021-12-06 17:56:41,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:41,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 54 transitions. [2021-12-06 17:56:41,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 17:56:41,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 35 states and 43 transitions. [2021-12-06 17:56:41,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-12-06 17:56:41,598 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-06 17:56:41,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2021-12-06 17:56:41,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:56:41,598 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 43 transitions. [2021-12-06 17:56:41,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2021-12-06 17:56:41,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2021-12-06 17:56:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 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) [2021-12-06 17:56:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-12-06 17:56:41,600 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-06 17:56:41,600 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-06 17:56:41,600 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 17:56:41,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-12-06 17:56:41,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 17:56:41,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:41,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:41,601 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:41,601 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:56:41,601 INFO L791 eck$LassoCheckResult]: Stem: 1034#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1035#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1045#L532 assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 1037#L534 assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 1038#L521 assume !build_fullname_#t~short10#1; 1043#L521-2 assume !build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call build_fullname_#t~mem12#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 46 != build_fullname_#t~mem12#1; 1044#L523 assume build_fullname_#t~short14#1; 1051#L523-2 assume build_fullname_#t~short14#1;havoc build_fullname_#t~mem12#1;havoc build_fullname_#t~mem13#1;havoc build_fullname_#t~short14#1;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 1064#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 1063#L508-1 assume !(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 1059#L508-4 strcpy_#res#1.base, strcpy_#res#1.offset := strcpy_~res~0#1.base, strcpy_~res~0#1.offset; 1057#L509 build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset := strcpy_#res#1.base, strcpy_#res#1.offset;assume { :end_inline_strcpy } true;havoc build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 0;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 1058#L514-2 assume !false;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 1046#L515 assume strchr_#t~mem5#1 == strchr_~ch~0#1;havoc strchr_#t~mem5#1; 1047#L514-3 strchr_#res#1.base, strchr_#res#1.offset := strchr_~t#1.base, strchr_~t#1.offset; 1040#L517 build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset := strchr_#res#1.base, strchr_#res#1.offset;assume { :end_inline_strchr } true;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset;havoc build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset;call write~int(47, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 1);build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;havoc build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset; 1032#L523-4 assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 1033#L508-8 [2021-12-06 17:56:41,601 INFO L793 eck$LassoCheckResult]: Loop: 1033#L508-8 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 1036#L508-6 assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 1033#L508-8 [2021-12-06 17:56:41,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:41,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1119349231, now seen corresponding path program 1 times [2021-12-06 17:56:41,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:41,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982877232] [2021-12-06 17:56:41,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:41,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:41,615 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:41,630 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:41,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:41,631 INFO L85 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 2 times [2021-12-06 17:56:41,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:41,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640645746] [2021-12-06 17:56:41,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:41,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:41,634 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:41,637 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:41,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:41,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1952789620, now seen corresponding path program 1 times [2021-12-06 17:56:41,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:41,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848893815] [2021-12-06 17:56:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:41,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:41,656 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:41,675 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:44,440 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:56:44,440 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:56:44,440 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:56:44,440 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:56:44,440 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:56:44,440 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:44,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:56:44,440 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:56:44,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration7_Lasso [2021-12-06 17:56:44,440 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:56:44,440 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:56:44,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:44,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:45,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:46,017 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:56:46,018 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:56:46,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,018 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 17:56:46,020 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 [2021-12-06 17:56:46,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:46,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:46,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:46,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:46,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:46,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 17:56:46,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,048 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 17:56:46,049 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 [2021-12-06 17:56:46,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:46,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:46,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:46,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:46,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 17:56:46,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,079 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 17:56:46,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:46,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:46,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:46,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:46,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:46,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 17:56:46,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,112 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 17:56:46,113 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 [2021-12-06 17:56:46,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,120 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 17:56:46,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,127 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-06 17:56:46,127 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 17:56:46,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:46,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 17:56:46,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,165 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 17:56:46,167 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 [2021-12-06 17:56:46,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:46,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:46,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:46,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:46,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 17:56:46,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,195 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 17:56:46,197 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 [2021-12-06 17:56:46,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:46,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:46,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:46,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:46,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:46,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,229 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 17:56:46,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:46,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:46,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:46,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:46,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:46,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 17:56:46,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,266 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 17:56:46,267 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 [2021-12-06 17:56:46,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:46,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:46,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:46,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:46,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 17:56:46,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,296 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 17:56:46,297 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 [2021-12-06 17:56:46,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:46,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:46,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:46,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:46,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:46,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:46,337 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:56:46,392 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-12-06 17:56:46,392 INFO L444 ModelExtractionUtils]: 40 out of 79 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-12-06 17:56:46,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:46,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:46,422 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:46,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 17:56:46,423 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:56:46,433 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:56:46,433 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:56:46,433 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcpy_~s1#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_4) = -2*ULTIMATE.start_strcpy_~s1#1.offset + 3*v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_4 Supporting invariants [] [2021-12-06 17:56:46,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 17:56:46,634 INFO L297 tatePredicateManager]: 50 out of 52 supporting invariants were superfluous and have been removed [2021-12-06 17:56:46,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:46,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-06 17:56:46,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:46,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 17:56:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:46,784 WARN L261 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-06 17:56:46,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:56:46,808 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-12-06 17:56:46,808 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:46,919 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 10. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 56 transitions. Complement of second has 12 states. [2021-12-06 17:56:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 17:56:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 36 transitions. [2021-12-06 17:56:46,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 36 transitions. Stem has 17 letters. Loop has 2 letters. [2021-12-06 17:56:46,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:46,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 36 transitions. Stem has 19 letters. Loop has 2 letters. [2021-12-06 17:56:46,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:46,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 36 transitions. Stem has 17 letters. Loop has 4 letters. [2021-12-06 17:56:46,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:46,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 56 transitions. [2021-12-06 17:56:46,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 17:56:46,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 33 states and 37 transitions. [2021-12-06 17:56:46,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 17:56:46,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-06 17:56:46,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2021-12-06 17:56:46,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:56:46,922 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 37 transitions. [2021-12-06 17:56:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2021-12-06 17:56:46,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26. [2021-12-06 17:56:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 25 states have internal predecessors, (30), 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) [2021-12-06 17:56:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2021-12-06 17:56:46,924 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-12-06 17:56:46,924 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-12-06 17:56:46,924 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 17:56:46,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 30 transitions. [2021-12-06 17:56:46,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 17:56:46,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:46,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:46,925 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:46,925 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:56:46,925 INFO L791 eck$LassoCheckResult]: Stem: 1430#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1431#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1441#L532 assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 1435#L534 assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 1436#L521 assume !build_fullname_#t~short10#1; 1439#L521-2 assume !build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call build_fullname_#t~mem12#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 46 != build_fullname_#t~mem12#1; 1440#L523 assume !build_fullname_#t~short14#1;call build_fullname_#t~mem13#1 := read~int(build_fullname_~directory#1.base, 1 + build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 0 != build_fullname_#t~mem13#1; 1448#L523-2 assume build_fullname_#t~short14#1;havoc build_fullname_#t~mem12#1;havoc build_fullname_#t~mem13#1;havoc build_fullname_#t~short14#1;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 1449#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 1450#L508-1 assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 1451#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 1452#L508-1 assume !(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 1455#L508-4 strcpy_#res#1.base, strcpy_#res#1.offset := strcpy_~res~0#1.base, strcpy_~res~0#1.offset; 1453#L509 build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset := strcpy_#res#1.base, strcpy_#res#1.offset;assume { :end_inline_strcpy } true;havoc build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 0;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 1454#L514-2 assume !false;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 1444#L515 assume !(strchr_#t~mem5#1 == strchr_~ch~0#1);havoc strchr_#t~mem5#1;call strchr_#t~mem6#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 1437#L515-2 assume !(0 == strchr_#t~mem6#1);havoc strchr_#t~mem6#1;strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset; 1438#L514-2 assume !false;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 1442#L515 assume strchr_#t~mem5#1 == strchr_~ch~0#1;havoc strchr_#t~mem5#1; 1443#L514-3 strchr_#res#1.base, strchr_#res#1.offset := strchr_~t#1.base, strchr_~t#1.offset; 1446#L517 build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset := strchr_#res#1.base, strchr_#res#1.offset;assume { :end_inline_strchr } true;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset;havoc build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset;call write~int(47, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 1);build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;havoc build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset; 1432#L523-4 assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 1433#L508-8 [2021-12-06 17:56:46,925 INFO L793 eck$LassoCheckResult]: Loop: 1433#L508-8 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 1434#L508-6 assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 1433#L508-8 [2021-12-06 17:56:46,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash 839743591, now seen corresponding path program 1 times [2021-12-06 17:56:46,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:46,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349472615] [2021-12-06 17:56:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:46,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 17:56:47,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:56:47,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349472615] [2021-12-06 17:56:47,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349472615] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:56:47,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138690330] [2021-12-06 17:56:47,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:47,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:56:47,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:47,011 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:56:47,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2021-12-06 17:56:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:47,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 72 conjunts are in the unsatisfiable core [2021-12-06 17:56:47,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:47,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2021-12-06 17:56:47,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:56:47,182 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:56:47,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 11 [2021-12-06 17:56:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 17:56:47,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:56:47,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 46 treesize of output 34 [2021-12-06 17:56:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 17:56:47,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138690330] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:56:47,305 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:56:47,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2021-12-06 17:56:47,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297314601] [2021-12-06 17:56:47,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:56:47,306 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:56:47,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:47,306 INFO L85 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 3 times [2021-12-06 17:56:47,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:47,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460355104] [2021-12-06 17:56:47,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:47,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:47,310 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:47,314 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:47,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:56:47,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 17:56:47,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:56:47,376 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. cyclomatic complexity: 7 Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:47,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:56:47,463 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2021-12-06 17:56:47,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:56:47,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 35 transitions. [2021-12-06 17:56:47,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 17:56:47,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 35 transitions. [2021-12-06 17:56:47,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-06 17:56:47,465 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-12-06 17:56:47,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 35 transitions. [2021-12-06 17:56:47,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:56:47,465 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 35 transitions. [2021-12-06 17:56:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 35 transitions. [2021-12-06 17:56:47,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-12-06 17:56:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 29 states have internal predecessors, (34), 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) [2021-12-06 17:56:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2021-12-06 17:56:47,467 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 34 transitions. [2021-12-06 17:56:47,467 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 34 transitions. [2021-12-06 17:56:47,467 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 17:56:47,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 34 transitions. [2021-12-06 17:56:47,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 17:56:47,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:56:47,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:56:47,467 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:56:47,468 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:56:47,468 INFO L791 eck$LassoCheckResult]: Stem: 1642#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1643#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~malloc21#1.base, main_#t~malloc21#1.offset, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_~dir_len~0#1, main_~file_len~0#1, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset, main_~output~0#1.base, main_~output~0#1.offset;main_~dir_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1651#L532 assume !(main_~dir_len~0#1 < 1);main_~file_len~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1; 1645#L534 assume !(main_~file_len~0#1 < 1);call main_#t~malloc21#1.base, main_#t~malloc21#1.offset := #Ultimate.allocOnStack(main_~dir_len~0#1);main_~dir~0#1.base, main_~dir~0#1.offset := main_#t~malloc21#1.base, main_#t~malloc21#1.offset;call write~int(0, main_~dir~0#1.base, main_~dir~0#1.offset + (main_~dir_len~0#1 - 1), 1);call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~file_len~0#1);main_~file~0#1.base, main_~file~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call write~int(0, main_~file~0#1.base, main_~file~0#1.offset + (main_~file_len~0#1 - 1), 1);call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0#1 + main_~file_len~0#1));main_~output~0#1.base, main_~output~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;assume { :begin_inline_build_fullname } true;build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset, build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset, build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset := main_~output~0#1.base, main_~output~0#1.offset, main_~dir~0#1.base, main_~dir~0#1.offset, main_~file~0#1.base, main_~file~0#1.offset;havoc build_fullname_#t~mem8#1, build_fullname_#t~mem9#1, build_fullname_#t~short10#1, build_fullname_#t~pre11#1.base, build_fullname_#t~pre11#1.offset, build_fullname_#t~mem12#1, build_fullname_#t~mem13#1, build_fullname_#t~short14#1, build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset, build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset, build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset, build_fullname_#t~ret18#1.base, build_fullname_#t~ret18#1.offset, build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset;build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset := build_fullname_#in~fullname#1.base, build_fullname_#in~fullname#1.offset;build_fullname_~directory#1.base, build_fullname_~directory#1.offset := build_fullname_#in~directory#1.base, build_fullname_#in~directory#1.offset;build_fullname_~filename#1.base, build_fullname_~filename#1.offset := build_fullname_#in~filename#1.base, build_fullname_#in~filename#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~fullname#1.base, build_fullname_~fullname#1.offset;call build_fullname_#t~mem8#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short10#1 := 47 == build_fullname_#t~mem8#1; 1646#L521 assume !build_fullname_#t~short10#1; 1655#L521-2 assume !build_fullname_#t~short10#1;havoc build_fullname_#t~mem8#1;havoc build_fullname_#t~mem9#1;havoc build_fullname_#t~short10#1;call build_fullname_#t~mem12#1 := read~int(build_fullname_~directory#1.base, build_fullname_~directory#1.offset, 1);build_fullname_#t~short14#1 := 46 != build_fullname_#t~mem12#1; 1669#L523 assume build_fullname_#t~short14#1; 1657#L523-2 assume build_fullname_#t~short14#1;havoc build_fullname_#t~mem12#1;havoc build_fullname_#t~mem13#1;havoc build_fullname_#t~short14#1;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~directory#1.base, build_fullname_~directory#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 1658#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 1659#L508-1 assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 1666#L508-3 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 1665#L508-1 assume !(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 1664#L508-4 strcpy_#res#1.base, strcpy_#res#1.offset := strcpy_~res~0#1.base, strcpy_~res~0#1.offset; 1662#L509 build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset := strcpy_#res#1.base, strcpy_#res#1.offset;assume { :end_inline_strcpy } true;havoc build_fullname_#t~ret15#1.base, build_fullname_#t~ret15#1.offset;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 0;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 1663#L514-2 assume !false;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 1654#L515 assume !(strchr_#t~mem5#1 == strchr_~ch~0#1);havoc strchr_#t~mem5#1;call strchr_#t~mem6#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 1647#L515-2 assume !(0 == strchr_#t~mem6#1);havoc strchr_#t~mem6#1;strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset; 1648#L514-2 assume !false;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 1652#L515 assume strchr_#t~mem5#1 == strchr_~ch~0#1;havoc strchr_#t~mem5#1; 1653#L514-3 strchr_#res#1.base, strchr_#res#1.offset := strchr_~t#1.base, strchr_~t#1.offset; 1656#L517 build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset := strchr_#res#1.base, strchr_#res#1.offset;assume { :end_inline_strchr } true;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset;havoc build_fullname_#t~ret16#1.base, build_fullname_#t~ret16#1.offset;call write~int(47, build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, 1);build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset := build_fullname_~dest~0#1.base, 1 + build_fullname_~dest~0#1.offset;havoc build_fullname_#t~pre17#1.base, build_fullname_#t~pre17#1.offset; 1640#L523-4 assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := build_fullname_~dest~0#1.base, build_fullname_~dest~0#1.offset, build_fullname_~filename#1.base, build_fullname_~filename#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 1641#L508-8 [2021-12-06 17:56:47,468 INFO L793 eck$LassoCheckResult]: Loop: 1641#L508-8 strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 1644#L508-6 assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 1641#L508-8 [2021-12-06 17:56:47,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:47,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1860811945, now seen corresponding path program 1 times [2021-12-06 17:56:47,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:47,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969416242] [2021-12-06 17:56:47,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:47,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:47,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:47,511 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:47,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:47,512 INFO L85 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 4 times [2021-12-06 17:56:47,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:47,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267224025] [2021-12-06 17:56:47,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:47,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:47,514 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:47,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:47,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:47,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1533886638, now seen corresponding path program 1 times [2021-12-06 17:56:47,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:56:47,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625691596] [2021-12-06 17:56:47,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:56:47,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:56:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:47,535 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:56:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:56:47,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:56:52,747 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:56:52,747 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:56:52,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:56:52,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:56:52,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:56:52,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:52,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:56:52,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:56:52,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration9_Lasso [2021-12-06 17:56:52,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:56:52,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:56:52,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:52,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:52,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:56:54,792 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:56:54,792 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:56:54,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:54,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:54,793 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:54,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 17:56:54,794 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 [2021-12-06 17:56:54,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:54,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:54,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:54,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:54,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:54,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:54,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:54,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:54,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 17:56:54,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:54,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:54,821 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:54,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 17:56:54,822 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 [2021-12-06 17:56:54,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:54,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:54,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:54,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:54,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:54,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:54,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:54,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:54,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 17:56:54,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:54,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:54,849 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:54,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 17:56:54,850 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 [2021-12-06 17:56:54,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:54,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:54,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:54,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:54,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:54,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:54,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:54,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 17:56:54,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:54,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:54,881 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:54,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 17:56:54,885 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 [2021-12-06 17:56:54,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:54,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:54,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:54,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:54,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:54,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:54,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:54,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:54,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-06 17:56:54,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:54,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:54,912 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:54,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 17:56:54,913 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 [2021-12-06 17:56:54,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:54,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:54,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:54,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:54,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:54,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:54,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:54,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 17:56:54,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:54,946 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:54,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 17:56:54,947 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 [2021-12-06 17:56:54,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:54,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:54,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:54,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:54,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:54,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:54,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:54,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:54,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 17:56:54,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:54,974 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:54,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 17:56:54,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:54,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:54,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:54,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:54,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:54,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:54,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:54,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:55,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:55,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:55,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:55,007 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:55,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 17:56:55,008 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 [2021-12-06 17:56:55,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:55,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:56:55,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:55,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:55,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:55,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:56:55,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:56:55,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:55,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-06 17:56:55,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:55,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:55,036 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:55,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 17:56:55,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:56:55,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:55,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:55,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:55,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:55,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:55,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:55,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:56:55,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 17:56:55,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:55,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:55,066 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:55,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 17:56:55,068 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 [2021-12-06 17:56:55,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:56:55,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:56:55,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:56:55,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:56:55,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:56:55,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:56:55,109 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:56:55,169 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-06 17:56:55,169 INFO L444 ModelExtractionUtils]: 53 out of 88 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-12-06 17:56:55,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:56:55,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:56:55,170 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:56:55,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 17:56:55,170 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:56:55,178 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:56:55,178 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:56:55,178 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_5, ULTIMATE.start_strcpy_~s1#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_5 - 1*ULTIMATE.start_strcpy_~s1#1.offset Supporting invariants [] [2021-12-06 17:56:55,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-06 17:56:55,445 INFO L297 tatePredicateManager]: 62 out of 63 supporting invariants were superfluous and have been removed [2021-12-06 17:56:55,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:56:55,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-06 17:56:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:55,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-06 17:56:55,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:56:55,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 17:56:55,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:56:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:56:55,568 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 17:56:55,568 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 34 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:55,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 34 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 36 transitions. Complement of second has 7 states. [2021-12-06 17:56:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:56:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:56:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2021-12-06 17:56:55,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 22 letters. Loop has 2 letters. [2021-12-06 17:56:55,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:55,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 24 letters. Loop has 2 letters. [2021-12-06 17:56:55,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:55,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 22 letters. Loop has 4 letters. [2021-12-06 17:56:55,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:56:55,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2021-12-06 17:56:55,613 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:56:55,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2021-12-06 17:56:55,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 17:56:55,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 17:56:55,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 17:56:55,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:56:55,613 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:56:55,613 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:56:55,613 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:56:55,613 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 17:56:55,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:56:55,613 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:56:55,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 17:56:55,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 05:56:55 BoogieIcfgContainer [2021-12-06 17:56:55,617 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 17:56:55,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:56:55,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:56:55,618 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:56:55,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:56:28" (3/4) ... [2021-12-06 17:56:55,620 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:56:55,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:56:55,621 INFO L158 Benchmark]: Toolchain (without parser) took 27315.78ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.9MB in the beginning and 55.9MB in the end (delta: 5.0MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-12-06 17:56:55,621 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:56:55,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.41ms. Allocated memory is still 96.5MB. Free memory was 60.7MB in the beginning and 67.3MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:56:55,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.94ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:56:55,621 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 63.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:56:55,622 INFO L158 Benchmark]: RCFGBuilder took 302.77ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 49.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 17:56:55,622 INFO L158 Benchmark]: BuchiAutomizer took 26631.74ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 55.9MB in the end (delta: -6.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-12-06 17:56:55,622 INFO L158 Benchmark]: Witness Printer took 2.31ms. Allocated memory is still 117.4MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:56:55,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.41ms. Allocated memory is still 96.5MB. Free memory was 60.7MB in the beginning and 67.3MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.94ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 63.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.77ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 49.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 26631.74ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 55.9MB in the end (delta: -6.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 2.31ms. Allocated memory is still 117.4MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (4 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[__builtin_alloca (dir_len+file_len+2)] and consists of 6 locations. One deterministic module has affine ranking function -1 * s2 + unknown-#length-unknown[__builtin_alloca (dir_len)] and consists of 4 locations. One deterministic module has affine ranking function -1 * t + unknown-#length-unknown[t] and consists of 3 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[__builtin_alloca (file_len)] + -2 * s1 and consists of 10 locations. One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[__builtin_alloca (dir_len+file_len+2)] and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.6s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 25.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 20 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 33 states and ocurred in iteration 6. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 496 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 31 IncrementalHoareTripleChecker+Unchecked, 325 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 171 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital630 mio100 ax100 hnf100 lsp98 ukn56 mio100 lsp43 div100 bol100 ite100 ukn100 eq205 hnf88 smp97 dnf125 smp88 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 4 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2021-12-06 17:56:55,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2021-12-06 17:56:55,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f775c816-7474-4ec5-b442-6a3a66fd3345/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE