./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strchr_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strchr_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8 --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 b9f420c703006a20f84c0f072fc483abdc031419ba97e1947a58423e06686a36 --- 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-2329fc7 [2022-12-13 22:16:17,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:16:17,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:16:17,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:16:17,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:16:17,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:16:17,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:16:17,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:16:17,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:16:17,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:16:17,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:16:17,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:16:17,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:16:17,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:16:17,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:16:17,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:16:17,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:16:17,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:16:17,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:16:17,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:16:17,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:16:17,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:16:17,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:16:17,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:16:17,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:16:17,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:16:17,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:16:17,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:16:17,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:16:17,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:16:17,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:16:17,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:16:17,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:16:17,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:16:17,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:16:17,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:16:17,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:16:17,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:16:17,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:16:17,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:16:17,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:16:17,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 22:16:17,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:16:17,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:16:17,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:16:17,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:16:17,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:16:17,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:16:17,984 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:16:17,984 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:16:17,984 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:16:17,984 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:16:17,985 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:16:17,985 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:16:17,985 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:16:17,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:16:17,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:16:17,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:16:17,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:16:17,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:16:17,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:16:17,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:16:17,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:16:17,986 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:16:17,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:16:17,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:16:17,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:16:17,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:16:17,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:16:17,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:16:17,988 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:16:17,989 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_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9f420c703006a20f84c0f072fc483abdc031419ba97e1947a58423e06686a36 [2022-12-13 22:16:18,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:16:18,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:16:18,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:16:18,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:16:18,200 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:16:18,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-dietlibc/strchr_short.i [2022-12-13 22:16:20,733 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:16:20,921 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:16:20,921 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/sv-benchmarks/c/termination-dietlibc/strchr_short.i [2022-12-13 22:16:20,929 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/data/07aa4132d/e9fa06bde15542528a5169fc5d57c362/FLAGf705d6fd6 [2022-12-13 22:16:21,303 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/data/07aa4132d/e9fa06bde15542528a5169fc5d57c362 [2022-12-13 22:16:21,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:16:21,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:16:21,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:16:21,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:16:21,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:16:21,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f76611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21, skipping insertion in model container [2022-12-13 22:16:21,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:16:21,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:16:21,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:16:21,506 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:16:21,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:16:21,543 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:16:21,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21 WrapperNode [2022-12-13 22:16:21,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:16:21,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:16:21,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:16:21,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:16:21,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,571 INFO L138 Inliner]: procedures = 113, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-12-13 22:16:21,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:16:21,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:16:21,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:16:21,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:16:21,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:16:21,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:16:21,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:16:21,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:16:21,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (1/1) ... [2022-12-13 22:16:21,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:21,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:21,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:21,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:16:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:16:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:16:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:16:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:16:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:16:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:16:21,702 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:16:21,704 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:16:21,795 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:16:21,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:16:21,800 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 22:16:21,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:16:21 BoogieIcfgContainer [2022-12-13 22:16:21,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:16:21,803 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:16:21,803 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:16:21,806 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:16:21,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:16:21,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:16:21" (1/3) ... [2022-12-13 22:16:21,807 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79a7c020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:16:21, skipping insertion in model container [2022-12-13 22:16:21,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:16:21,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:16:21" (2/3) ... [2022-12-13 22:16:21,808 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79a7c020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:16:21, skipping insertion in model container [2022-12-13 22:16:21,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:16:21,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:16:21" (3/3) ... [2022-12-13 22:16:21,819 INFO L332 chiAutomizerObserver]: Analyzing ICFG strchr_short.i [2022-12-13 22:16:21,875 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:16:21,875 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:16:21,875 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:16:21,875 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:16:21,875 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:16:21,875 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:16:21,875 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:16:21,875 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:16:21,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2022-12-13 22:16:21,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 22:16:21,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:16:21,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:16:21,900 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 22:16:21,901 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:16:21,901 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:16:21,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2022-12-13 22:16:21,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 22:16:21,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:16:21,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:16:21,902 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 22:16:21,902 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:16:21,908 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;main_~in_len~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9#L516true assume !(main_~in_len~0#1 < 1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~the_int~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem2#1, strchr_#t~mem3#1, strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 5#L509-2true [2022-12-13 22:16:21,909 INFO L750 eck$LassoCheckResult]: Loop: 5#L509-2true assume !false;call strchr_#t~mem2#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 10#L510true assume !(strchr_#t~mem2#1 == strchr_~ch~0#1);havoc strchr_#t~mem2#1;call strchr_#t~mem3#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 8#L510-2true assume !(0 == strchr_#t~mem3#1);havoc strchr_#t~mem3#1;strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset; 5#L509-2true [2022-12-13 22:16:21,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-12-13 22:16:21,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:21,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799461301] [2022-12-13 22:16:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:21,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:16:22,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:16:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:16:22,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:16:22,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:22,065 INFO L85 PathProgramCache]: Analyzing trace with hash 44851, now seen corresponding path program 1 times [2022-12-13 22:16:22,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:22,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554068580] [2022-12-13 22:16:22,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:16:22,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:16:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:16:22,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:16:22,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:22,085 INFO L85 PathProgramCache]: Analyzing trace with hash 889574320, now seen corresponding path program 1 times [2022-12-13 22:16:22,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:16:22,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386546625] [2022-12-13 22:16:22,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:16:22,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:16:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:16:22,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:16:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:16:22,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:16:22,571 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:16:22,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:16:22,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:16:22,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:16:22,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:16:22,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:22,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:16:22,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:16:22,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: strchr_short.i_Iteration1_Lasso [2022-12-13 22:16:22,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:16:22,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:16:22,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,919 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:22,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:16:23,252 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:16:23,256 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:16:23,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 22:16:23,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:16:23,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:16:23,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:16:23,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:16:23,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 22:16:23,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:16:23,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:16:23,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:16:23,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 22:16:23,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,300 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 22:16:23,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:16:23,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:16:23,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:16:23,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 22:16:23,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 22:16:23,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:16:23,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:16:23,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 22:16:23,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 22:16:23,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:16:23,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:16:23,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:16:23,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 22:16:23,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,357 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 22:16:23,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:16:23,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:16:23,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:16:23,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 22:16:23,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,375 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 22:16:23,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:16:23,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:16:23,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 22:16:23,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,397 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 22:16:23,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:16:23,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:16:23,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:16:23,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 22:16:23,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,415 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 22:16:23,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:16:23,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:16:23,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:16:23,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 22:16:23,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,432 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 22:16:23,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:16:23,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:16:23,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:16:23,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 22:16:23,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 22:16:23,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:16:23,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:16:23,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:16:23,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:16:23,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:16:23,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:16:23,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:16:23,497 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:16:23,519 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-12-13 22:16:23,519 INFO L444 ModelExtractionUtils]: 12 out of 28 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-12-13 22:16:23,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:16:23,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:16:23,552 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:16:23,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 22:16:23,554 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:16:23,566 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:16:23,566 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:16:23,567 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~in~0#1.base)_1, ULTIMATE.start_strchr_~t#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~in~0#1.base)_1 - 1*ULTIMATE.start_strchr_~t#1.offset Supporting invariants [] [2022-12-13 22:16:23,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 22:16:23,585 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-12-13 22:16:23,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:16:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:23,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 22:16:23,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:16:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:16:23,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 22:16:23,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:16:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:16:23,689 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 [2022-12-13 22:16:23,691 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:23,734 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 33 transitions. Complement of second has 5 states. [2022-12-13 22:16:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:16:23,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:16:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-12-13 22:16:23,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 3 letters. Loop has 3 letters. [2022-12-13 22:16:23,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:16:23,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 6 letters. Loop has 3 letters. [2022-12-13 22:16:23,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:16:23,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 3 letters. Loop has 6 letters. [2022-12-13 22:16:23,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:16:23,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2022-12-13 22:16:23,743 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:16:23,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2022-12-13 22:16:23,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 22:16:23,746 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 22:16:23,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 22:16:23,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:16:23,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:16:23,746 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:16:23,746 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:16:23,746 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:16:23,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 22:16:23,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:16:23,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 22:16:23,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:16:23 BoogieIcfgContainer [2022-12-13 22:16:23,751 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 22:16:23,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:16:23,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:16:23,752 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:16:23,752 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:16:21" (3/4) ... [2022-12-13 22:16:23,754 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:16:23,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:16:23,755 INFO L158 Benchmark]: Toolchain (without parser) took 2448.75ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 99.3MB in the beginning and 59.0MB in the end (delta: 40.3MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2022-12-13 22:16:23,755 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:16:23,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.94ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 83.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 22:16:23,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.64ms. Allocated memory is still 136.3MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:16:23,756 INFO L158 Benchmark]: Boogie Preprocessor took 16.16ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:16:23,756 INFO L158 Benchmark]: RCFGBuilder took 214.17ms. Allocated memory is still 136.3MB. Free memory was 80.5MB in the beginning and 70.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 22:16:23,757 INFO L158 Benchmark]: BuchiAutomizer took 1948.43ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 70.0MB in the beginning and 60.0MB in the end (delta: 10.0MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2022-12-13 22:16:23,757 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 165.7MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:16:23,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.94ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 83.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.64ms. Allocated memory is still 136.3MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.16ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 214.17ms. Allocated memory is still 136.3MB. Free memory was 80.5MB in the beginning and 70.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1948.43ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 70.0MB in the beginning and 60.0MB in the end (delta: 10.0MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 165.7MB. Free memory is still 59.0MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[in] + -1 * t and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital156 mio100 ax100 hnf100 lsp103 ukn90 mio100 lsp40 div159 bol100 ite100 ukn100 eq165 hnf91 smp70 dnf174 smp68 tf100 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 22:16:23,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 22:16:23,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c85ef9-3e45-4ef6-b877-506efc284b64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE