./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atoi.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_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/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_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atoi.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/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_7dfcbfb0-b20d-4079-933c-1c9178b9c598/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 1255925dee057d326b7c0f37f3559424c7c269b2700f988720a0a296e5085160 --- 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 10:55:06,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:55:06,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:55:06,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:55:06,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:55:06,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:55:06,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:55:06,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:55:06,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:55:06,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:55:06,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:55:06,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:55:06,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:55:06,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:55:06,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:55:06,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:55:06,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:55:06,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:55:06,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:55:06,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:55:06,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:55:06,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:55:06,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:55:06,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:55:06,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:55:06,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:55:07,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:55:07,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:55:07,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:55:07,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:55:07,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:55:07,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:55:07,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:55:07,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:55:07,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:55:07,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:55:07,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:55:07,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:55:07,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:55:07,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:55:07,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:55:07,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 10:55:07,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:55:07,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:55:07,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:55:07,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:55:07,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:55:07,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:55:07,062 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:55:07,062 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 10:55:07,062 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 10:55:07,063 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 10:55:07,064 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 10:55:07,064 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 10:55:07,064 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 10:55:07,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:55:07,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:55:07,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:55:07,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:55:07,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 10:55:07,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 10:55:07,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 10:55:07,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:55:07,066 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 10:55:07,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:55:07,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 10:55:07,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:55:07,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:55:07,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:55:07,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:55:07,069 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 10:55:07,069 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_7dfcbfb0-b20d-4079-933c-1c9178b9c598/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1255925dee057d326b7c0f37f3559424c7c269b2700f988720a0a296e5085160 [2022-11-16 10:55:07,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:55:07,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:55:07,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:55:07,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:55:07,398 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:55:07,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-dietlibc/atoi.i [2022-11-16 10:55:07,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/data/ae7441d32/39a80570e4294a8ab47a56aa6b601a48/FLAG9f91ee4d4 [2022-11-16 10:55:08,045 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:55:08,047 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/sv-benchmarks/c/termination-dietlibc/atoi.i [2022-11-16 10:55:08,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/data/ae7441d32/39a80570e4294a8ab47a56aa6b601a48/FLAG9f91ee4d4 [2022-11-16 10:55:08,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/data/ae7441d32/39a80570e4294a8ab47a56aa6b601a48 [2022-11-16 10:55:08,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:55:08,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:55:08,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:55:08,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:55:08,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:55:08,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585aa98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08, skipping insertion in model container [2022-11-16 10:55:08,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:55:08,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:55:08,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:55:08,739 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:55:08,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:55:08,792 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:55:08,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08 WrapperNode [2022-11-16 10:55:08,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:55:08,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:55:08,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:55:08,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:55:08,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,843 INFO L138 Inliner]: procedures = 113, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-11-16 10:55:08,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:55:08,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:55:08,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:55:08,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:55:08,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:55:08,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:55:08,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:55:08,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:55:08,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (1/1) ... [2022-11-16 10:55:08,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:08,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:08,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:08,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 10:55:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 10:55:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 10:55:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 10:55:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 10:55:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:55:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:55:09,042 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:55:09,044 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:55:09,328 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:55:09,334 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:55:09,334 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 10:55:09,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:09 BoogieIcfgContainer [2022-11-16 10:55:09,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:55:09,352 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 10:55:09,352 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 10:55:09,361 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 10:55:09,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:55:09,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 10:55:08" (1/3) ... [2022-11-16 10:55:09,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38270b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:55:09, skipping insertion in model container [2022-11-16 10:55:09,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:55:09,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:08" (2/3) ... [2022-11-16 10:55:09,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38270b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:55:09, skipping insertion in model container [2022-11-16 10:55:09,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:55:09,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:09" (3/3) ... [2022-11-16 10:55:09,365 INFO L332 chiAutomizerObserver]: Analyzing ICFG atoi.i [2022-11-16 10:55:09,448 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 10:55:09,448 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 10:55:09,448 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 10:55:09,449 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 10:55:09,449 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 10:55:09,449 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 10:55:09,449 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 10:55:09,449 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 10:55:09,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:55:09,475 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 10:55:09,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:09,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:09,484 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 10:55:09,484 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:55:09,484 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 10:55:09,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:55:09,490 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 10:55:09,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:09,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:09,491 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 10:55:09,491 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:55:09,525 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~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 20#L522true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 17#L524-3true [2022-11-16 10:55:09,526 INFO L750 eck$LassoCheckResult]: Loop: 17#L524-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet15#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 21#L524-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 17#L524-3true [2022-11-16 10:55:09,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:09,540 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-16 10:55:09,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:09,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086395065] [2022-11-16 10:55:09,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:09,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:09,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:09,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:09,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2022-11-16 10:55:09,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:09,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866083368] [2022-11-16 10:55:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:09,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:09,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:09,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:09,812 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2022-11-16 10:55:09,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:09,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226932029] [2022-11-16 10:55:09,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:09,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:09,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:09,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:10,192 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:10,192 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:10,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:10,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:10,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:10,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:10,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:10,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:10,194 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoi.i_Iteration1_Lasso [2022-11-16 10:55:10,194 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:10,194 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:10,214 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 10:55:10,224 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 10:55:10,228 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 10:55:10,231 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 10:55:10,233 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 10:55:10,237 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 10:55:10,240 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 10:55:10,704 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:10,709 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:10,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:10,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:10,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:10,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 10:55:10,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:10,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:10,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:10,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:10,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:10,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:10,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:10,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:10,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:10,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:10,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:10,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:10,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:10,805 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 10:55:10,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 10:55:10,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:10,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:10,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:10,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:10,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:10,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:10,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:10,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:10,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:10,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:10,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:10,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 10:55:10,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:10,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:10,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:10,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:10,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:10,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:10,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:10,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:10,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:10,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:10,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:10,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:10,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:10,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 10:55:10,907 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 10:55:10,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:10,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:10,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:10,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:10,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:10,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:10,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:10,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:10,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-16 10:55:10,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:10,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:10,945 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:10,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 10:55:10,948 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 10:55:10,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:10,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:10,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:10,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:10,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:10,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:10,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:10,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:10,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:10,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:10,991 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:11,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:11,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 10:55:11,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:11,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:11,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:11,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:11,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:11,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:11,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:11,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:11,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:11,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:11,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:11,041 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:11,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 10:55:11,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:11,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:11,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:11,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:11,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:11,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:11,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:11,095 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:55:11,126 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-16 10:55:11,126 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-16 10:55:11,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:11,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:11,143 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:11,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 10:55:11,148 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:55:11,177 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 10:55:11,177 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:55:11,177 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~in~0#1.offset >= 0] [2022-11-16 10:55:11,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:11,200 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-11-16 10:55:11,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:11,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 10:55:11,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:11,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 10:55:11,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:11,301 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 10:55:11,344 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 10:55:11,346 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 10:55:11,491 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 55 states and 78 transitions. Complement of second has 8 states. [2022-11-16 10:55:11,493 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 10:55:11,499 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 10:55:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-11-16 10:55:11,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-16 10:55:11,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:11,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 10:55:11,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:11,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-16 10:55:11,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:11,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 78 transitions. [2022-11-16 10:55:11,515 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 10:55:11,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 17 states and 23 transitions. [2022-11-16 10:55:11,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-16 10:55:11,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-16 10:55:11,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2022-11-16 10:55:11,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:11,521 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 10:55:11,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2022-11-16 10:55:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-16 10:55:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 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 10:55:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-16 10:55:11,550 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 10:55:11,551 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 10:55:11,551 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 10:55:11,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-16 10:55:11,553 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 10:55:11,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:11,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:11,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 10:55:11,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:55:11,554 INFO L748 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 147#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 152#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 153#L524-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoi } true;atoi_#in~s#1.base, atoi_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoi_#res#1;havoc atoi_#t~post3#1.base, atoi_#t~post3#1.offset, atoi_#t~mem2#1, atoi_#t~mem4#1, atoi_#t~switch5#1, atoi_#t~pre6#1.base, atoi_#t~pre6#1.offset, atoi_#t~mem10#1, atoi_#t~pre11#1.base, atoi_#t~pre11#1.offset, atoi_#t~mem7#1, atoi_#t~mem8#1, atoi_#t~short9#1, atoi_~s#1.base, atoi_~s#1.offset, atoi_~v~0#1, atoi_~sign~0#1;atoi_~s#1.base, atoi_~s#1.offset := atoi_#in~s#1.base, atoi_#in~s#1.offset;atoi_~v~0#1 := 0;atoi_~sign~0#1 := 1; 150#L510-3 [2022-11-16 10:55:11,555 INFO L750 eck$LassoCheckResult]: Loop: 150#L510-3 call atoi_#t~mem2#1 := read~int(atoi_~s#1.base, atoi_~s#1.offset, 1); 151#L510-1 assume !!(32 == atoi_#t~mem2#1);havoc atoi_#t~mem2#1;atoi_#t~post3#1.base, atoi_#t~post3#1.offset := atoi_~s#1.base, atoi_~s#1.offset;atoi_~s#1.base, atoi_~s#1.offset := atoi_#t~post3#1.base, 1 + atoi_#t~post3#1.offset;havoc atoi_#t~post3#1.base, atoi_#t~post3#1.offset; 150#L510-3 [2022-11-16 10:55:11,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:11,557 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2022-11-16 10:55:11,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:11,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170187576] [2022-11-16 10:55:11,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:11,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:11,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:11,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:11,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2022-11-16 10:55:11,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:11,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206739708] [2022-11-16 10:55:11,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:11,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:11,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:11,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:11,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:11,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1806941585, now seen corresponding path program 1 times [2022-11-16 10:55:11,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:11,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999655631] [2022-11-16 10:55:11,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:11,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:11,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-16 10:55:11,962 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 10:55:11,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:11,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999655631] [2022-11-16 10:55:11,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999655631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:11,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:11,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:55:11,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477881265] [2022-11-16 10:55:11,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:12,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:12,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:55:12,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:55:12,012 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:55:12,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:12,091 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-11-16 10:55:12,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2022-11-16 10:55:12,092 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-16 10:55:12,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2022-11-16 10:55:12,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-16 10:55:12,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-11-16 10:55:12,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2022-11-16 10:55:12,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:12,094 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-11-16 10:55:12,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2022-11-16 10:55:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 20. [2022-11-16 10:55:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 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 10:55:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-16 10:55:12,097 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-16 10:55:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:55:12,098 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-16 10:55:12,098 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 10:55:12,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-11-16 10:55:12,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 10:55:12,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:12,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:12,100 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:12,100 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:55:12,100 INFO L748 eck$LassoCheckResult]: Stem: 204#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 212#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 218#L524-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet15#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 220#L524-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 221#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 222#L524-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoi } true;atoi_#in~s#1.base, atoi_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoi_#res#1;havoc atoi_#t~post3#1.base, atoi_#t~post3#1.offset, atoi_#t~mem2#1, atoi_#t~mem4#1, atoi_#t~switch5#1, atoi_#t~pre6#1.base, atoi_#t~pre6#1.offset, atoi_#t~mem10#1, atoi_#t~pre11#1.base, atoi_#t~pre11#1.offset, atoi_#t~mem7#1, atoi_#t~mem8#1, atoi_#t~short9#1, atoi_~s#1.base, atoi_~s#1.offset, atoi_~v~0#1, atoi_~sign~0#1;atoi_~s#1.base, atoi_~s#1.offset := atoi_#in~s#1.base, atoi_#in~s#1.offset;atoi_~v~0#1 := 0;atoi_~sign~0#1 := 1; 215#L510-3 [2022-11-16 10:55:12,100 INFO L750 eck$LassoCheckResult]: Loop: 215#L510-3 call atoi_#t~mem2#1 := read~int(atoi_~s#1.base, atoi_~s#1.offset, 1); 216#L510-1 assume !!(32 == atoi_#t~mem2#1);havoc atoi_#t~mem2#1;atoi_#t~post3#1.base, atoi_#t~post3#1.offset := atoi_~s#1.base, atoi_~s#1.offset;atoi_~s#1.base, atoi_~s#1.offset := atoi_#t~post3#1.base, 1 + atoi_#t~post3#1.offset;havoc atoi_#t~post3#1.base, atoi_#t~post3#1.offset; 215#L510-3 [2022-11-16 10:55:12,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:12,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2022-11-16 10:55:12,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:12,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039534319] [2022-11-16 10:55:12,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:12,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:12,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:12,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:12,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:12,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2022-11-16 10:55:12,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:12,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421441395] [2022-11-16 10:55:12,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:12,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:12,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:12,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:12,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:12,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2022-11-16 10:55:12,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:12,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817243058] [2022-11-16 10:55:12,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:12,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:12,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:12,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:12,610 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:12,611 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:12,611 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:12,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:12,611 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:12,611 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:12,611 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:12,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:12,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoi.i_Iteration3_Lasso [2022-11-16 10:55:12,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:12,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:12,615 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 10:55:12,618 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 10:55:12,621 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 10:55:12,623 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 10:55:12,626 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 10:55:12,629 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 10:55:12,631 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 10:55:12,635 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 10:55:12,638 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 10:55:12,640 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 10:55:12,643 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 10:55:12,647 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 10:55:12,650 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 10:55:12,653 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 10:55:12,657 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 10:55:12,660 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 10:55:12,664 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 10:55:12,942 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 10:55:12,945 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 10:55:12,947 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 10:55:12,950 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 10:55:12,953 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 10:55:12,956 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 10:55:12,958 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 10:55:13,377 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:13,377 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:13,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,397 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,407 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 10:55:13,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 10:55:13,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,459 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 10:55:13,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 10:55:13,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,502 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,510 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 10:55:13,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 10:55:13,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,546 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,551 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 10:55:13,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 10:55:13,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,584 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,589 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 10:55:13,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 10:55:13,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,625 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,629 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 10:55:13,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 10:55:13,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,658 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 10:55:13,667 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 10:55:13,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:13,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:13,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,721 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,731 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 10:55:13,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 10:55:13,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,769 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:13,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 10:55:13,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,821 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,825 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 10:55:13,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 10:55:13,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,854 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,868 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 10:55:13,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 10:55:13,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:13,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:13,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,908 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 10:55:13,917 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 10:55:13,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,949 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,956 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 10:55:13,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 10:55:13,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:13,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:13,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:13,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:13,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:13,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:13,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:13,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:13,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:13,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:13,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:13,989 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:13,993 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 10:55:14,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:14,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:14,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:14,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:14,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 10:55:14,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:14,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:14,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:14,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:14,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:14,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:14,036 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:14,045 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 10:55:14,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:14,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:14,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:14,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:14,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:14,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:14,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:14,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 10:55:14,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:14,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:14,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:14,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:14,085 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:14,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:14,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:14,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:14,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:14,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:14,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 10:55:14,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:14,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:14,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:14,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:14,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:14,133 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:14,137 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 10:55:14,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 10:55:14,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:14,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:14,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:14,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:14,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:14,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:14,191 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:55:14,212 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 10:55:14,212 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-11-16 10:55:14,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:14,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:14,214 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:14,218 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:55:14,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 10:55:14,252 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 10:55:14,252 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:55:14,252 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_atoi_~s#1.base)_1, ULTIMATE.start_atoi_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_atoi_~s#1.base)_1 - 1*ULTIMATE.start_atoi_~s#1.offset Supporting invariants [] [2022-11-16 10:55:14,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:14,277 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 10:55:14,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:14,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:55:14,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:14,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 10:55:14,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:14,352 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 10:55:14,353 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 10:55:14,353 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:55:14,386 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 49 transitions. Complement of second has 6 states. [2022-11-16 10:55:14,386 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 10:55:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:55:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-11-16 10:55:14,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 10:55:14,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:14,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-16 10:55:14,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:14,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-16 10:55:14,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:14,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2022-11-16 10:55:14,390 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:55:14,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2022-11-16 10:55:14,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 10:55:14,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 10:55:14,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 10:55:14,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:14,391 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:55:14,391 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:55:14,391 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:55:14,391 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 10:55:14,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 10:55:14,391 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:55:14,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 10:55:14,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 10:55:14 BoogieIcfgContainer [2022-11-16 10:55:14,399 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 10:55:14,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:55:14,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:55:14,400 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:55:14,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:09" (3/4) ... [2022-11-16 10:55:14,403 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 10:55:14,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:55:14,404 INFO L158 Benchmark]: Toolchain (without parser) took 6075.23ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 54.0MB in the beginning and 76.0MB in the end (delta: -22.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-11-16 10:55:14,405 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:14,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.19ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 60.3MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 10:55:14,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.10ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 58.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:55:14,406 INFO L158 Benchmark]: Boogie Preprocessor took 27.27ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 56.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:55:14,407 INFO L158 Benchmark]: RCFGBuilder took 476.56ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 44.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 10:55:14,407 INFO L158 Benchmark]: BuchiAutomizer took 5047.02ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 44.7MB in the beginning and 76.0MB in the end (delta: -31.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-11-16 10:55:14,407 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 144.7MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:14,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.19ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 60.3MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.10ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 58.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.27ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 56.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.56ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 44.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5047.02ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 44.7MB in the beginning and 76.0MB in the end (delta: -31.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 144.7MB. Free memory is still 76.0MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 85 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 47 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax100 hnf100 lsp92 ukn93 mio100 lsp55 div169 bol100 ite100 ukn100 eq160 hnf92 smp74 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms 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! [2022-11-16 10:55:14,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:14,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dfcbfb0-b20d-4079-933c-1c9178b9c598/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