./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8 --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 b1c2170b573195199b536f4216072331a44f601eea992fff1c8334eed63f3a51 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:43:52,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:52,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:52,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:52,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:52,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:52,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:53,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:53,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:53,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:53,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:53,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:53,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:53,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:53,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:53,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:53,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:53,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:53,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:53,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:53,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:53,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:53,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:53,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:53,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:53,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:53,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:53,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:53,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:53,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:53,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:53,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:53,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:53,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:53,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:53,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:53,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:53,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:53,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:53,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:53,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:53,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:43:53,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:53,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:53,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:53,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:53,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:53,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:53,061 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:53,062 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:43:53,062 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:43:53,062 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:43:53,063 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:43:53,063 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:43:53,063 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:43:53,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:53,064 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:43:53,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:43:53,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:53,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:43:53,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:43:53,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:43:53,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:53,065 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:43:53,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:53,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:43:53,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:53,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:53,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:53,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:43:53,068 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:43:53,068 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_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c2170b573195199b536f4216072331a44f601eea992fff1c8334eed63f3a51 [2022-11-16 12:43:53,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:53,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:53,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:53,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:53,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:53,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2022-11-16 12:43:53,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/data/e41da58c0/65af8b9ce6444e77891374a4d33d0a4b/FLAG572b69934 [2022-11-16 12:43:54,003 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:54,009 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2022-11-16 12:43:54,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/data/e41da58c0/65af8b9ce6444e77891374a4d33d0a4b/FLAG572b69934 [2022-11-16 12:43:54,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/data/e41da58c0/65af8b9ce6444e77891374a4d33d0a4b [2022-11-16 12:43:54,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:54,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:54,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:54,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:54,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:54,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:54,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a463743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54, skipping insertion in model container [2022-11-16 12:43:54,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:54,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:54,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:43:54,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:54,854 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:43:54,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:54,935 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:43:54,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54 WrapperNode [2022-11-16 12:43:54,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:54,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:54,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:43:54,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:43:54,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:54,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:54,992 INFO L138 Inliner]: procedures = 114, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-11-16 12:43:54,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:54,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:43:54,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:43:54,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:43:55,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,033 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:43:55,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:43:55,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:43:55,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:43:55,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (1/1) ... [2022-11-16 12:43:55,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:55,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:55,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:43:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:43:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:43:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:43:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:43:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:43:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:43:55,255 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:43:55,257 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:43:55,566 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:43:55,572 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:43:55,573 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:43:55,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:55 BoogieIcfgContainer [2022-11-16 12:43:55,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:43:55,576 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:43:55,591 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:43:55,595 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:43:55,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:43:55,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:43:54" (1/3) ... [2022-11-16 12:43:55,598 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@391251e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:43:55, skipping insertion in model container [2022-11-16 12:43:55,598 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:43:55,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:54" (2/3) ... [2022-11-16 12:43:55,598 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@391251e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:43:55, skipping insertion in model container [2022-11-16 12:43:55,598 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:43:55,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:55" (3/3) ... [2022-11-16 12:43:55,600 INFO L332 chiAutomizerObserver]: Analyzing ICFG strcmp_short.i [2022-11-16 12:43:55,681 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:43:55,681 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:43:55,681 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:43:55,681 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:43:55,681 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:43:55,681 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:43:55,682 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:43:55,682 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:43:55,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2022-11-16 12:43:55,707 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 12:43:55,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:43:55,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:43:55,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:43:55,714 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:43:55,715 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:43:55,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2022-11-16 12:43:55,717 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 12:43:55,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:43:55,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:43:55,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:43:55,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:43:55,727 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 10#L514true assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 7#L516-3true [2022-11-16 12:43:55,727 INFO L750 eck$LassoCheckResult]: Loop: 7#L516-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet13#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 13#L516-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 7#L516-3true [2022-11-16 12:43:55,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:55,741 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-16 12:43:55,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:55,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687927066] [2022-11-16 12:43:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:55,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:55,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:55,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:55,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:55,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2022-11-16 12:43:55,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:55,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22944273] [2022-11-16 12:43:55,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:55,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:55,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:55,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:55,986 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2022-11-16 12:43:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:55,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123795325] [2022-11-16 12:43:55,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:55,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:56,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:56,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:56,370 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:43:56,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:43:56,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:43:56,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:43:56,372 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:43:56,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:56,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:43:56,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:43:56,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration1_Lasso [2022-11-16 12:43:56,373 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:43:56,373 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:43:56,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:56,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:43:56,956 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:43:56,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:56,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:56,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:56,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:43:56,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:43:56,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:56,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:43:56,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:56,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:56,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:56,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:43:56,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:43:57,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:43:57,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:57,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:57,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:57,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:57,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:43:57,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:43:57,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:57,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:57,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:57,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:57,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:43:57,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:43:57,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:43:57,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:57,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:57,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:57,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:57,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:43:57,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:43:57,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:57,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:57,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:57,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:57,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:43:57,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:43:57,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:43:57,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:57,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:57,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:57,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:57,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:43:57,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:43:57,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:57,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:43:57,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:57,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:57,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:57,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:43:57,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:43:57,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:43:57,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:57,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:57,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:57,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:57,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:43:57,174 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 [2022-11-16 12:43:57,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:57,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:57,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:57,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:57,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:43:57,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:43:57,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:43:57,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:57,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:57,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:57,212 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:57,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:43:57,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:57,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:43:57,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:57,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:57,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:57,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:43:57,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:43:57,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:43:57,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:43:57,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:57,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:57,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:57,255 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:57,267 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 [2022-11-16 12:43:57,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:43:57,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:57,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:57,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:57,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:57,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:43:57,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:43:57,322 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:43:57,361 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-16 12:43:57,361 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-16 12:43:57,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:57,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:57,371 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:57,373 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:43:57,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:43:57,391 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:43:57,392 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:43:57,392 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2022-11-16 12:43:57,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:57,420 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-16 12:43:57,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:57,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:43:57,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:57,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:43:57,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:57,555 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:43:57,556 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:57,620 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 69 transitions. Complement of second has 7 states. [2022-11-16 12:43:57,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:43:57,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2022-11-16 12:43:57,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-16 12:43:57,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:43:57,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 12:43:57,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:43:57,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-16 12:43:57,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:43:57,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 69 transitions. [2022-11-16 12:43:57,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 12:43:57,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 14 states and 18 transitions. [2022-11-16 12:43:57,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:43:57,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:43:57,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2022-11-16 12:43:57,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:57,652 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-16 12:43:57,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2022-11-16 12:43:57,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-16 12:43:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2022-11-16 12:43:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-16 12:43:57,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-16 12:43:57,676 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-16 12:43:57,676 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:43:57,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-16 12:43:57,677 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 12:43:57,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:43:57,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:43:57,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:43:57,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:43:57,684 INFO L748 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 123#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 129#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 126#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 124#L516-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 125#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 131#L524-3 [2022-11-16 12:43:57,684 INFO L750 eck$LassoCheckResult]: Loop: 131#L524-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet17#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 133#L524-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 131#L524-3 [2022-11-16 12:43:57,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash 889572430, now seen corresponding path program 1 times [2022-11-16 12:43:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:57,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760332782] [2022-11-16 12:43:57,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:57,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:57,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:57,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:57,761 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2022-11-16 12:43:57,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:57,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409562693] [2022-11-16 12:43:57,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:57,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:57,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:57,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:57,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:57,792 INFO L85 PathProgramCache]: Analyzing trace with hash 180614416, now seen corresponding path program 1 times [2022-11-16 12:43:57,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:57,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013575365] [2022-11-16 12:43:57,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:57,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:57,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:57,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:58,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-16 12:43:58,401 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:43:58,401 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:43:58,402 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:43:58,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:43:58,402 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:43:58,402 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:58,402 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:43:58,402 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:43:58,402 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration2_Lasso [2022-11-16 12:43:58,402 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:43:58,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:43:58,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:58,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:43:59,175 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:43:59,175 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:43:59,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:59,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:59,177 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:59,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:43:59,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:43:59,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:59,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:43:59,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:59,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:59,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:59,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:43:59,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:43:59,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:43:59,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:59,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:59,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:59,215 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:59,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:43:59,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:43:59,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:43:59,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:43:59,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:43:59,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:43:59,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:43:59,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:43:59,287 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:43:59,334 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-11-16 12:43:59,334 INFO L444 ModelExtractionUtils]: 11 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-11-16 12:43:59,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:43:59,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:59,335 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:59,355 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:43:59,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:43:59,373 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 12:43:59,373 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:43:59,373 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc15#1.base)_1) = -1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc15#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~out~0#1.offset >= 0] [2022-11-16 12:43:59,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:59,410 INFO L156 tatePredicateManager]: 6 out of 8 supporting invariants were superfluous and have been removed [2022-11-16 12:43:59,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:59,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:43:59,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:59,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:43:59,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:59,522 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:43:59,523 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-11-16 12:43:59,577 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 20 states and 29 transitions. Complement of second has 6 states. [2022-11-16 12:43:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:43:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-11-16 12:43:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-16 12:43:59,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-16 12:43:59,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:43:59,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-16 12:43:59,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:43:59,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-16 12:43:59,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:43:59,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2022-11-16 12:43:59,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:43:59,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 20 transitions. [2022-11-16 12:43:59,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:43:59,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:43:59,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-11-16 12:43:59,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:59,586 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-16 12:43:59,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-11-16 12:43:59,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-16 12:43:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 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) [2022-11-16 12:43:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-16 12:43:59,592 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-16 12:43:59,592 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-16 12:43:59,592 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:43:59,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-16 12:43:59,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:43:59,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:43:59,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:43:59,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:59,599 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:43:59,599 INFO L748 eck$LassoCheckResult]: Stem: 239#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 240#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 246#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 243#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 241#L516-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 242#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 248#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 249#L524-4 call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 237#L508-5 [2022-11-16 12:43:59,599 INFO L750 eck$LassoCheckResult]: Loop: 237#L508-5 call strcmp_#t~mem4#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 238#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 247#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset;havoc strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset; 237#L508-5 [2022-11-16 12:43:59,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:59,600 INFO L85 PathProgramCache]: Analyzing trace with hash 180614358, now seen corresponding path program 1 times [2022-11-16 12:43:59,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:59,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521405762] [2022-11-16 12:43:59,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:59,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:59,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:59,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:59,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:59,680 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 1 times [2022-11-16 12:43:59,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:59,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955693949] [2022-11-16 12:43:59,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:59,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:59,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:59,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:59,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:59,694 INFO L85 PathProgramCache]: Analyzing trace with hash -911637921, now seen corresponding path program 1 times [2022-11-16 12:43:59,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:59,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042128895] [2022-11-16 12:43:59,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:59,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:44:00,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:00,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042128895] [2022-11-16 12:44:00,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042128895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:00,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:00,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:44:00,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000147353] [2022-11-16 12:44:00,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:00,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:00,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:44:00,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:44:00,366 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:44:00,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:00,488 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2022-11-16 12:44:00,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2022-11-16 12:44:00,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:44:00,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 19 transitions. [2022-11-16 12:44:00,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:44:00,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:44:00,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-11-16 12:44:00,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:44:00,490 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-16 12:44:00,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-11-16 12:44:00,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-16 12:44:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 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) [2022-11-16 12:44:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2022-11-16 12:44:00,496 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-11-16 12:44:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:44:00,498 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-11-16 12:44:00,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:44:00,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2022-11-16 12:44:00,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:44:00,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:44:00,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:44:00,499 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:44:00,499 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:44:00,500 INFO L748 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 300#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 297#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 295#L516-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 296#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 302#L524-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet17#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 303#L524-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 304#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 305#L524-4 call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 293#L508-5 [2022-11-16 12:44:00,500 INFO L750 eck$LassoCheckResult]: Loop: 293#L508-5 call strcmp_#t~mem4#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 294#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 301#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset;havoc strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset; 293#L508-5 [2022-11-16 12:44:00,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:00,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1771762968, now seen corresponding path program 1 times [2022-11-16 12:44:00,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:00,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943239967] [2022-11-16 12:44:00,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:00,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:44:00,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:00,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:44:00,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:00,562 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 2 times [2022-11-16 12:44:00,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:00,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960926009] [2022-11-16 12:44:00,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:00,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:00,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:44:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:00,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:44:00,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:00,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1737523933, now seen corresponding path program 1 times [2022-11-16 12:44:00,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:00,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889788927] [2022-11-16 12:44:00,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:00,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:44:00,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:00,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889788927] [2022-11-16 12:44:00,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889788927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:00,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:00,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:44:00,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990734690] [2022-11-16 12:44:00,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:01,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:01,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:44:01,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:44:01,118 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:44:01,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:01,274 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-16 12:44:01,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2022-11-16 12:44:01,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:44:01,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 16 states and 18 transitions. [2022-11-16 12:44:01,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 12:44:01,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:44:01,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2022-11-16 12:44:01,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:44:01,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-16 12:44:01,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2022-11-16 12:44:01,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-16 12:44:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:44:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-16 12:44:01,277 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-16 12:44:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:44:01,280 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-16 12:44:01,280 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:44:01,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-11-16 12:44:01,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:44:01,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:44:01,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:44:01,281 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:44:01,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:44:01,281 INFO L748 eck$LassoCheckResult]: Stem: 353#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 360#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 357#L516-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet13#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 358#L516-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 359#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 355#L516-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 356#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 362#L524-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet17#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 363#L524-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 364#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 365#L524-4 call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 351#L508-5 [2022-11-16 12:44:01,281 INFO L750 eck$LassoCheckResult]: Loop: 351#L508-5 call strcmp_#t~mem4#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 352#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 361#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset;havoc strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset; 351#L508-5 [2022-11-16 12:44:01,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:01,282 INFO L85 PathProgramCache]: Analyzing trace with hash 826943990, now seen corresponding path program 1 times [2022-11-16 12:44:01,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:01,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224700591] [2022-11-16 12:44:01,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:01,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:01,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:44:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:01,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:44:01,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:01,321 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 3 times [2022-11-16 12:44:01,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:01,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233747709] [2022-11-16 12:44:01,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:01,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:01,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:44:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:01,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:44:01,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:01,330 INFO L85 PathProgramCache]: Analyzing trace with hash -443958977, now seen corresponding path program 1 times [2022-11-16 12:44:01,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:01,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743411599] [2022-11-16 12:44:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:01,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:01,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:44:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:44:01,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:44:03,047 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:44:03,047 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:44:03,047 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:44:03,047 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:44:03,047 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:44:03,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:03,047 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:44:03,047 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:44:03,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration5_Lasso [2022-11-16 12:44:03,048 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:44:03,048 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:44:03,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,066 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,075 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,078 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,089 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:03,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:04,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:04,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:44:05,118 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:44:05,119 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:44:05,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,131 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:44:05,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,165 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:44:05,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,210 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:44:05,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:44:05,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:44:05,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,265 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:44:05,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,306 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:44:05,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,344 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:44:05,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,397 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:44:05,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,438 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:44:05,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,501 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:44:05,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,539 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:44:05,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:44:05,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:44:05,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,579 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:44:05,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,623 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:44:05,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,664 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:44:05,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,708 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:44:05,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,754 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:44:05,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:44:05,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:44:05,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,787 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:44:05,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,819 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:44:05,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-16 12:44:05,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,846 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:44:05,850 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 [2022-11-16 12:44:05,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:05,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,869 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:44:05,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-16 12:44:05,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,891 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:44:05,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-16 12:44:05,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,926 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:44:05,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:44:05,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:44:05,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:44:05,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-16 12:44:05,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,946 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:44:05,950 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 [2022-11-16 12:44:05,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:44:05,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:44:05,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-16 12:44:05,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,970 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:44:05,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:05,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:05,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:05,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:05,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:05,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:44:05,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:44:05,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:05,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-16 12:44:05,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:05,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:05,994 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:05,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:44:05,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:06,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:06,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:06,007 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:44:06,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:06,016 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-16 12:44:06,016 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 12:44:06,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:06,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:06,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:06,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:06,056 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:06,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:06,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 12:44:06,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:06,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:06,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:06,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:06,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:44:06,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:44:06,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:06,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-16 12:44:06,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:06,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:06,095 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:06,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 12:44:06,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:06,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:06,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:06,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:06,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:06,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:44:06,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:44:06,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:44:06,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-16 12:44:06,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:06,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:06,119 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:06,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 12:44:06,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:44:06,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:44:06,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:44:06,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:44:06,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:44:06,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:44:06,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:44:06,194 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:44:06,302 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-11-16 12:44:06,302 INFO L444 ModelExtractionUtils]: 5 out of 52 variables were initially zero. Simplification set additionally 44 variables to zero. [2022-11-16 12:44:06,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:44:06,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:06,303 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:06,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 12:44:06,307 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:44:06,322 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:44:06,322 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:44:06,323 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcmp_~s2#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3) = -1*ULTIMATE.start_strcmp_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 Supporting invariants [] [2022-11-16 12:44:06,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:06,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:06,486 INFO L156 tatePredicateManager]: 23 out of 26 supporting invariants were superfluous and have been removed [2022-11-16 12:44:06,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:06,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 12:44:06,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:06,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-16 12:44:06,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:44:06,772 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-16 12:44:06,773 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2022-11-16 12:44:06,830 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) Result 18 states and 21 transitions. Complement of second has 6 states. [2022-11-16 12:44:06,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:44:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2022-11-16 12:44:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2022-11-16 12:44:06,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 3 letters. [2022-11-16 12:44:06,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:44:06,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-16 12:44:06,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:44:06,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 6 letters. [2022-11-16 12:44:06,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:44:06,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2022-11-16 12:44:06,834 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:44:06,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-11-16 12:44:06,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:44:06,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:44:06,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:44:06,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:44:06,835 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:44:06,835 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:44:06,835 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:44:06,835 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:44:06,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:44:06,836 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:44:06,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:44:06,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:44:06 BoogieIcfgContainer [2022-11-16 12:44:06,843 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:44:06,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:44:06,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:44:06,844 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:44:06,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:55" (3/4) ... [2022-11-16 12:44:06,847 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:44:06,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:44:06,848 INFO L158 Benchmark]: Toolchain (without parser) took 12501.31ms. Allocated memory was 127.9MB in the beginning and 197.1MB in the end (delta: 69.2MB). Free memory was 93.5MB in the beginning and 126.5MB in the end (delta: -33.1MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-11-16 12:44:06,848 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:44:06,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.48ms. Allocated memory is still 127.9MB. Free memory was 93.1MB in the beginning and 97.0MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:44:06,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.89ms. Allocated memory is still 127.9MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:44:06,849 INFO L158 Benchmark]: Boogie Preprocessor took 43.96ms. Allocated memory is still 127.9MB. Free memory was 94.9MB in the beginning and 93.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:44:06,849 INFO L158 Benchmark]: RCFGBuilder took 537.93ms. Allocated memory is still 127.9MB. Free memory was 93.6MB in the beginning and 81.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:44:06,850 INFO L158 Benchmark]: BuchiAutomizer took 11266.76ms. Allocated memory was 127.9MB in the beginning and 197.1MB in the end (delta: 69.2MB). Free memory was 81.0MB in the beginning and 126.5MB in the end (delta: -45.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-11-16 12:44:06,850 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 197.1MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:44:06,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.48ms. Allocated memory is still 127.9MB. Free memory was 93.1MB in the beginning and 97.0MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.89ms. Allocated memory is still 127.9MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.96ms. Allocated memory is still 127.9MB. Free memory was 94.9MB in the beginning and 93.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.93ms. Allocated memory is still 127.9MB. Free memory was 93.6MB in the beginning and 81.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 11266.76ms. Allocated memory was 127.9MB in the beginning and 197.1MB in the end (delta: 69.2MB). Free memory was 81.0MB in the beginning and 126.5MB in the end (delta: -45.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 197.1MB. Free memory is still 126.5MB. 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 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + in_len and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. One deterministic module has affine ranking function -1 * s2 + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.1s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 10.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 157 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 55 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp60 div174 bol100 ite100 ukn100 eq161 hnf92 smp71 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 6 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:44:06,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f5bc9-c739-4a4b-be95-b55cd227fb46/bin/uautomizer-tPACEb0tL8/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