./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro --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 32bit --witnessprinter.graph.data.programhash e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e --- 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-8393723 [2022-11-18 20:28:25,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:28:25,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:28:25,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:28:25,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:28:25,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:28:25,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:28:25,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:28:25,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:28:25,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:28:25,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:28:25,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:28:25,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:28:25,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:28:25,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:28:25,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:28:25,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:28:25,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:28:25,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:28:25,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:28:25,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:28:25,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:28:25,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:28:25,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:28:25,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:28:25,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:28:25,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:28:25,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:28:25,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:28:25,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:28:25,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:28:25,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:28:25,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:28:25,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:28:25,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:28:25,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:28:25,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:28:25,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:28:25,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:28:25,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:28:25,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:28:25,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:28:25,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:28:25,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:28:25,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:28:25,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:28:25,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:28:25,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:28:25,969 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:28:25,969 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:28:25,970 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:28:25,970 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:28:25,971 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:28:25,971 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:28:25,971 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:28:25,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:28:25,972 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:28:25,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:28:25,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:28:25,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:28:25,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:28:25,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:28:25,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:28:25,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:28:25,974 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:28:25,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:28:25,974 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:28:25,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:28:25,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:28:25,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:28:25,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:28:25,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:28:25,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:28:25,977 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:28:25,977 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_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e [2022-11-18 20:28:26,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:28:26,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:28:26,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:28:26,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:28:26,340 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:28:26,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2022-11-18 20:28:26,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/data/d0b614e3d/ac83d009596a46bf833458b6f24165d0/FLAG53637030f [2022-11-18 20:28:27,055 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:28:27,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2022-11-18 20:28:27,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/data/d0b614e3d/ac83d009596a46bf833458b6f24165d0/FLAG53637030f [2022-11-18 20:28:27,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/data/d0b614e3d/ac83d009596a46bf833458b6f24165d0 [2022-11-18 20:28:27,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:28:27,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:28:27,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:28:27,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:28:27,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:28:27,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:27,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77cee6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27, skipping insertion in model container [2022-11-18 20:28:27,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:27,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:28:27,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:28:27,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:28:27,889 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:28:27,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:28:27,988 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:28:27,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27 WrapperNode [2022-11-18 20:28:27,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:28:27,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:28:27,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:28:27,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:28:28,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,072 INFO L138 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2022-11-18 20:28:28,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:28:28,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:28:28,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:28:28,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:28:28,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:28:28,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:28:28,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:28:28,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:28:28,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (1/1) ... [2022-11-18 20:28:28,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:28,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:28,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:28,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:28:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:28:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:28:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:28:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:28:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:28:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:28:28,368 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:28:28,371 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:28:28,617 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:28:28,624 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:28:28,624 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:28:28,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:28:28 BoogieIcfgContainer [2022-11-18 20:28:28,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:28:28,632 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:28:28,632 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:28:28,651 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:28:28,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:28:28,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:28:27" (1/3) ... [2022-11-18 20:28:28,652 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b51592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:28:28, skipping insertion in model container [2022-11-18 20:28:28,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:28:28,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:28:27" (2/3) ... [2022-11-18 20:28:28,653 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b51592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:28:28, skipping insertion in model container [2022-11-18 20:28:28,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:28:28,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:28:28" (3/3) ... [2022-11-18 20:28:28,655 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrspn-alloca-2.i [2022-11-18 20:28:28,734 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:28:28,734 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:28:28,734 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:28:28,734 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:28:28,735 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:28:28,735 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:28:28,735 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:28:28,735 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:28:28,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:28,776 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-18 20:28:28,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:28,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:28,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:28:28,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:28:28,784 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:28:28,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:28,789 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-18 20:28:28,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:28,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:28,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:28:28,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:28:28,803 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; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 13#L528true assume !(main_~length1~0#1 < 1); 8#L528-2true assume !(main_~length2~0#1 < 1); 14#L531-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 7#L537-3true [2022-11-18 20:28:28,803 INFO L750 eck$LassoCheckResult]: Loop: 7#L537-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 16#L537-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 7#L537-3true [2022-11-18 20:28:28,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:28,813 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-18 20:28:28,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:28,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23463492] [2022-11-18 20:28:28,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:28,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:28,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:28,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:28,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-18 20:28:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:28,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916388093] [2022-11-18 20:28:28,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:28,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:29,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:29,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:29,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:29,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-18 20:28:29,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:29,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252502333] [2022-11-18 20:28:29,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:29,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:29,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:29,652 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:28:29,653 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:28:29,653 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:28:29,653 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:28:29,653 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:28:29,654 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:29,654 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:28:29,654 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:28:29,654 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration1_Lasso [2022-11-18 20:28:29,654 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:28:29,655 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:28:29,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,693 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:29,751 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:30,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:28:30,508 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:28:30,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,531 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 [2022-11-18 20:28:30,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:28:30,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:30,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:30,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:30,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:28:30,580 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 [2022-11-18 20:28:30,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:30,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:30,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:30,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,624 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 [2022-11-18 20:28:30,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:28:30,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:30,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:30,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,668 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,676 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 [2022-11-18 20:28:30,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:28:30,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:30,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:30,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:30,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,718 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 [2022-11-18 20:28:30,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:28:30,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:30,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:30,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:30,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:28:30,784 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 [2022-11-18 20:28:30,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:30,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:30,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:30,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,816 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:28:30,827 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 [2022-11-18 20:28:30,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:30,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:30,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,870 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:28:30,884 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 [2022-11-18 20:28:30,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:30,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:30,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,925 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:30,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:28:30,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:30,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:30,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:30,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:30,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:30,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:30,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:30,966 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:30,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:30,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:30,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:28:30,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:30,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:30,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:30,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:30,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:31,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:31,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,048 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,053 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 [2022-11-18 20:28:31,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:28:31,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:31,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:31,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:31,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:31,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:31,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:31,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:31,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,093 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:28:31,100 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 [2022-11-18 20:28:31,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:31,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:31,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:31,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:31,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:31,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:31,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:31,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:31,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,149 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:31,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:28:31,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:31,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:31,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:31,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:31,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:31,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:31,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:31,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,197 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:28:31,208 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 [2022-11-18 20:28:31,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:31,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:31,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:31,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:31,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:31,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:31,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:31,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:31,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,241 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:28:31,249 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 [2022-11-18 20:28:31,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:31,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:31,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:31,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:31,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:31,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:31,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:31,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,301 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,313 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 [2022-11-18 20:28:31,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:28:31,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:31,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:31,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:31,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:31,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:31,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:31,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:31,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,362 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:28:31,369 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 [2022-11-18 20:28:31,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:31,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:31,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:31,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:31,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:31,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:31,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:31,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:31,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,405 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,414 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 [2022-11-18 20:28:31,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:28:31,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:31,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:31,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:31,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:31,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:31,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:31,463 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:28:31,497 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-18 20:28:31,497 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-18 20:28:31,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:31,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:31,503 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:31,514 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:28:31,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:28:31,538 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:28:31,538 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:28:31,539 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 20:28:31,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:31,575 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 20:28:31,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:31,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:28:31,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:31,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:28:31,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:31,705 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 [2022-11-18 20:28:31,708 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2022-11-18 20:28:31,764 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 48 states and 67 transitions. Complement of second has 7 states. [2022-11-18 20:28:31,767 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 [2022-11-18 20:28:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2022-11-18 20:28:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2022-11-18 20:28:31,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 20:28:31,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:31,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 20:28:31,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:31,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-18 20:28:31,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:31,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2022-11-18 20:28:31,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:28:31,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 22 transitions. [2022-11-18 20:28:31,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 20:28:31,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 20:28:31,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-11-18 20:28:31,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:28:31,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-18 20:28:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-11-18 20:28:31,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-18 20:28:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2022-11-18 20:28:31,819 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-18 20:28:31,819 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-18 20:28:31,819 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:28:31,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2022-11-18 20:28:31,820 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:28:31,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:31,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:31,821 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:31,821 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:28:31,822 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~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 150#L528 assume !(main_~length1~0#1 < 1); 148#L528-2 assume !(main_~length2~0#1 < 1); 149#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 145#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 143#L537-4 main_~i~1#1 := 0; 144#L541-3 [2022-11-18 20:28:31,822 INFO L750 eck$LassoCheckResult]: Loop: 144#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 154#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 144#L541-3 [2022-11-18 20:28:31,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:31,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-18 20:28:31,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:31,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789003063] [2022-11-18 20:28:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:31,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:31,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:31,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:31,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-11-18 20:28:31,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:31,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701043708] [2022-11-18 20:28:31,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:31,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:31,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:31,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:31,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:31,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-11-18 20:28:31,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:31,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081372974] [2022-11-18 20:28:31,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:31,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:31,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:31,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:32,317 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:28:32,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:28:32,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:28:32,317 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:28:32,317 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:28:32,317 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:32,317 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:28:32,317 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:28:32,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration2_Lasso [2022-11-18 20:28:32,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:28:32,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:28:32,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:32,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:32,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:33,103 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:28:33,103 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:28:33,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:33,107 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:33,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:28:33,124 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 [2022-11-18 20:28:33,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:33,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:33,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:33,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:33,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:33,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:33,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:33,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:33,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:33,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:33,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:33,158 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:33,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:33,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:33,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:33,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:33,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:33,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:33,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:33,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:28:33,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:33,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:33,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:33,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:33,204 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:33,211 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 [2022-11-18 20:28:33,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:33,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:33,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:33,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:33,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:33,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:33,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:28:33,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:33,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:33,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:33,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:33,257 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:33,264 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 [2022-11-18 20:28:33,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:28:33,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:33,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:33,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:33,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:33,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:33,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:33,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:33,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:33,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:33,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:33,310 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:33,313 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 [2022-11-18 20:28:33,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:28:33,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:33,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:33,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:33,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:33,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:33,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:33,359 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:28:33,403 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-18 20:28:33,403 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-18 20:28:33,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:33,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:33,404 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:33,412 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:28:33,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:28:33,447 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:28:33,448 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:28:33,448 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2022-11-18 20:28:33,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:33,478 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 20:28:33,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:28:33,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:28:33,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:33,563 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 [2022-11-18 20:28:33,564 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 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) [2022-11-18 20:28:33,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 22 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 23 states and 34 transitions. Complement of second has 6 states. [2022-11-18 20:28:33,592 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 [2022-11-18 20:28:33,593 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) [2022-11-18 20:28:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-18 20:28:33,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 20:28:33,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:33,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-18 20:28:33,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:33,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-18 20:28:33,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:33,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 34 transitions. [2022-11-18 20:28:33,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:28:33,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 17 states and 24 transitions. [2022-11-18 20:28:33,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-18 20:28:33,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 20:28:33,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-11-18 20:28:33,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:28:33,603 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-18 20:28:33,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-11-18 20:28:33,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-18 20:28:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 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) [2022-11-18 20:28:33,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-11-18 20:28:33,608 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-18 20:28:33,609 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-18 20:28:33,609 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:28:33,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-11-18 20:28:33,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:28:33,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:33,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:33,610 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:33,610 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:28:33,611 INFO L748 eck$LassoCheckResult]: Stem: 251#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 252#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 262#L528 assume !(main_~length1~0#1 < 1); 260#L528-2 assume !(main_~length2~0#1 < 1); 261#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 257#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 255#L537-4 main_~i~1#1 := 0; 256#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 263#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 264#L522 [2022-11-18 20:28:33,611 INFO L750 eck$LassoCheckResult]: Loop: 264#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 253#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 254#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 265#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 264#L522 [2022-11-18 20:28:33,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:33,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2022-11-18 20:28:33,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:33,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196929658] [2022-11-18 20:28:33,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:33,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:33,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:33,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:33,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:33,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 1 times [2022-11-18 20:28:33,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:33,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537572362] [2022-11-18 20:28:33,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:33,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:33,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:33,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:33,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:33,712 INFO L85 PathProgramCache]: Analyzing trace with hash -587636803, now seen corresponding path program 1 times [2022-11-18 20:28:33,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:33,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617306571] [2022-11-18 20:28:33,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:33,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:34,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:34,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:34,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617306571] [2022-11-18 20:28:34,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617306571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:34,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:34,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:28:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412442920] [2022-11-18 20:28:34,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:34,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:34,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:28:34,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:28:34,400 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:34,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:34,523 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2022-11-18 20:28:34,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2022-11-18 20:28:34,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:28:34,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 18 states and 24 transitions. [2022-11-18 20:28:34,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 20:28:34,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 20:28:34,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-11-18 20:28:34,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:28:34,525 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-18 20:28:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-11-18 20:28:34,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-18 20:28:34,526 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) [2022-11-18 20:28:34,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-18 20:28:34,527 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-18 20:28:34,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:28:34,532 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-18 20:28:34,532 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:28:34,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-18 20:28:34,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:28:34,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:34,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:34,533 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:34,533 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:28:34,533 INFO L748 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 311#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 321#L528 assume !(main_~length1~0#1 < 1); 319#L528-2 assume !(main_~length2~0#1 < 1); 320#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 316#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 314#L537-4 main_~i~1#1 := 0; 315#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 325#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 326#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 322#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 323#L522 [2022-11-18 20:28:34,533 INFO L750 eck$LassoCheckResult]: Loop: 323#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 312#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 313#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 324#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 323#L522 [2022-11-18 20:28:34,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:34,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2022-11-18 20:28:34,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:34,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223046772] [2022-11-18 20:28:34,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:34,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:34,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:34,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:34,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:34,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 2 times [2022-11-18 20:28:34,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:34,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907108436] [2022-11-18 20:28:34,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:34,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:34,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:34,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:34,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:34,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1860214623, now seen corresponding path program 1 times [2022-11-18 20:28:34,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:34,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483686082] [2022-11-18 20:28:34,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:34,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:28:34,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:34,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483686082] [2022-11-18 20:28:34,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483686082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:34,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:34,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:28:34,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239318458] [2022-11-18 20:28:34,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:35,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:35,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:28:35,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:28:35,111 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:35,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:35,237 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-11-18 20:28:35,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-11-18 20:28:35,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-18 20:28:35,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 36 transitions. [2022-11-18 20:28:35,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-18 20:28:35,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-11-18 20:28:35,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2022-11-18 20:28:35,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:28:35,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-11-18 20:28:35,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2022-11-18 20:28:35,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2022-11-18 20:28:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-11-18 20:28:35,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-18 20:28:35,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:28:35,244 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-18 20:28:35,244 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:28:35,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2022-11-18 20:28:35,245 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-18 20:28:35,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:35,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:35,246 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:35,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:28:35,246 INFO L748 eck$LassoCheckResult]: Stem: 377#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 378#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 389#L528 assume !(main_~length1~0#1 < 1); 387#L528-2 assume !(main_~length2~0#1 < 1); 388#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 383#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 381#L537-4 main_~i~1#1 := 0; 382#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 395#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 396#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 390#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 391#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 393#L520-3 [2022-11-18 20:28:35,247 INFO L750 eck$LassoCheckResult]: Loop: 393#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 398#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 392#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 393#L520-3 [2022-11-18 20:28:35,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:35,247 INFO L85 PathProgramCache]: Analyzing trace with hash -294332619, now seen corresponding path program 1 times [2022-11-18 20:28:35,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:35,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58185787] [2022-11-18 20:28:35,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:35,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:35,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:35,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:35,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:35,277 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 1 times [2022-11-18 20:28:35,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:35,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169565651] [2022-11-18 20:28:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:35,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:35,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:35,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:35,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:35,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1860214625, now seen corresponding path program 1 times [2022-11-18 20:28:35,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:35,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022976749] [2022-11-18 20:28:35,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:35,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:35,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:35,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:36,583 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:28:36,583 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:28:36,584 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:28:36,584 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:28:36,584 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:28:36,584 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:36,584 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:28:36,584 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:28:36,584 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration5_Lasso [2022-11-18 20:28:36,584 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:28:36,584 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:28:36,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:36,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:37,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:37,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:37,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:37,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:38,322 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:28:38,323 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:28:38,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,333 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,335 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 [2022-11-18 20:28:38,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:28:38,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,364 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:28:38,373 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 [2022-11-18 20:28:38,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:38,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:38,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,418 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,423 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 [2022-11-18 20:28:38,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:28:38,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,457 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:28:38,463 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 [2022-11-18 20:28:38,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-18 20:28:38,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,502 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:28:38,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:38,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:38,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:38,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,536 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:38,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:28:38,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-18 20:28:38,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,567 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,577 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 [2022-11-18 20:28:38,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:28:38,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,604 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:28:38,607 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 [2022-11-18 20:28:38,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,624 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:28:38,627 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 [2022-11-18 20:28:38,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:38,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:38,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-18 20:28:38,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,660 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:28:38,663 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 [2022-11-18 20:28:38,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,695 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:28:38,697 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 [2022-11-18 20:28:38,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-18 20:28:38,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,712 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:28:38,717 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 [2022-11-18 20:28:38,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-18 20:28:38,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,743 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:28:38,747 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 [2022-11-18 20:28:38,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-18 20:28:38,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,763 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:28:38,767 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 [2022-11-18 20:28:38,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,782 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 20:28:38,790 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 [2022-11-18 20:28:38,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:38,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:38,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:38,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:38,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,834 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:28:38,843 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 [2022-11-18 20:28:38,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:38,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:38,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-18 20:28:38,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,862 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:28:38,865 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 [2022-11-18 20:28:38,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:38,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:38,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-18 20:28:38,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,890 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 20:28:38,892 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 [2022-11-18 20:28:38,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:38,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:38,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-18 20:28:38,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,912 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,914 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 [2022-11-18 20:28:38,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 20:28:38,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:38,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:38,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-18 20:28:38,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,935 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 20:28:38,937 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 [2022-11-18 20:28:38,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:38,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:38,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:38,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:38,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:38,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-18 20:28:38,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:38,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:38,959 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:38,967 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 [2022-11-18 20:28:38,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 20:28:38,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:38,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:38,980 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-18 20:28:38,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:39,012 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2022-11-18 20:28:39,012 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-18 20:28:39,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:39,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-18 20:28:39,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:39,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:39,084 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:39,087 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 [2022-11-18 20:28:39,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:39,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:39,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:39,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:39,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 20:28:39,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:39,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:39,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:39,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:39,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:39,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:39,124 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:39,127 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 [2022-11-18 20:28:39,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:39,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:39,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:39,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:39,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 20:28:39,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:39,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:39,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:39,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:39,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:39,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:39,176 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:39,180 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 [2022-11-18 20:28:39,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:39,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:39,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:39,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:39,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 20:28:39,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:39,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:39,244 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:28:39,314 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-11-18 20:28:39,314 INFO L444 ModelExtractionUtils]: 29 out of 58 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-18 20:28:39,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:39,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:39,320 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:39,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:28:39,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 20:28:39,350 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:28:39,350 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:28:39,350 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~spanp~0#1.offset, ULTIMATE.start_cstrspn_~p~0#1.offset) = -1*ULTIMATE.start_cstrspn_~spanp~0#1.offset + 4294967295*ULTIMATE.start_cstrspn_~p~0#1.offset Supporting invariants [4294967295*ULTIMATE.start_cstrspn_~p~0#1.offset - 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3 >= 0] [2022-11-18 20:28:39,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:39,464 INFO L156 tatePredicateManager]: 19 out of 21 supporting invariants were superfluous and have been removed [2022-11-18 20:28:39,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:39,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:28:39,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:39,628 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 20:28:39,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-18 20:28:39,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:39,720 WARN L261 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:28:39,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:39,774 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-18 20:28:39,774 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:39,846 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 46 transitions. Complement of second has 7 states. [2022-11-18 20:28:39,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:28:39,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:39,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-11-18 20:28:39,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 12 letters. Loop has 3 letters. [2022-11-18 20:28:39,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:39,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-18 20:28:39,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:39,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 12 letters. Loop has 6 letters. [2022-11-18 20:28:39,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:39,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 46 transitions. [2022-11-18 20:28:39,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:28:39,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 24 states and 30 transitions. [2022-11-18 20:28:39,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:28:39,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-18 20:28:39,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2022-11-18 20:28:39,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:28:39,850 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2022-11-18 20:28:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2022-11-18 20:28:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-18 20:28:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 states have internal predecessors, (29), 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) [2022-11-18 20:28:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2022-11-18 20:28:39,852 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-11-18 20:28:39,852 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-11-18 20:28:39,852 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:28:39,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2022-11-18 20:28:39,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:28:39,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:39,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:39,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:39,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:28:39,853 INFO L748 eck$LassoCheckResult]: Stem: 602#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 603#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 615#L528 assume !(main_~length1~0#1 < 1); 613#L528-2 assume !(main_~length2~0#1 < 1); 614#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 610#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 611#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 612#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 608#L537-4 main_~i~1#1 := 0; 609#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 622#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 623#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 616#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 617#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 624#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 607#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 618#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 619#L522 [2022-11-18 20:28:39,854 INFO L750 eck$LassoCheckResult]: Loop: 619#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 604#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 605#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 621#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 619#L522 [2022-11-18 20:28:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash -796682687, now seen corresponding path program 1 times [2022-11-18 20:28:39,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:39,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357662468] [2022-11-18 20:28:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:39,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:39,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:39,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:39,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 3 times [2022-11-18 20:28:39,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:39,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79043793] [2022-11-18 20:28:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:39,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:39,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:39,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:39,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:39,894 INFO L85 PathProgramCache]: Analyzing trace with hash 477217064, now seen corresponding path program 2 times [2022-11-18 20:28:39,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:39,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810744140] [2022-11-18 20:28:39,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:39,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:28:40,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:40,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810744140] [2022-11-18 20:28:40,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810744140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:28:40,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643197838] [2022-11-18 20:28:40,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:28:40,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:28:40,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:40,500 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:28:40,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2022-11-18 20:28:40,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:28:40,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:28:40,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-18 20:28:40,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:40,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-18 20:28:40,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-18 20:28:40,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-18 20:28:40,938 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 20:28:40,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 10 [2022-11-18 20:28:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:28:40,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:28:41,037 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:28:41,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2022-11-18 20:28:41,048 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:28:41,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 32 [2022-11-18 20:28:41,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:28:41,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643197838] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:28:41,221 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:28:41,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-11-18 20:28:41,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783300719] [2022-11-18 20:28:41,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:28:41,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:41,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 20:28:41,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:28:41,342 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 21 states, 20 states have (on average 2.3) internal successors, (46), 21 states have internal predecessors, (46), 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) [2022-11-18 20:28:41,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:41,696 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2022-11-18 20:28:41,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 52 transitions. [2022-11-18 20:28:41,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-18 20:28:41,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 52 transitions. [2022-11-18 20:28:41,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-11-18 20:28:41,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-11-18 20:28:41,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2022-11-18 20:28:41,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:28:41,698 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 52 transitions. [2022-11-18 20:28:41,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2022-11-18 20:28:41,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-11-18 20:28:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 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) [2022-11-18 20:28:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-11-18 20:28:41,702 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-11-18 20:28:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:28:41,703 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-11-18 20:28:41,703 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 20:28:41,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2022-11-18 20:28:41,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-18 20:28:41,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:41,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:41,705 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:41,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:28:41,705 INFO L748 eck$LassoCheckResult]: Stem: 832#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 833#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 845#L528 assume !(main_~length1~0#1 < 1); 843#L528-2 assume !(main_~length2~0#1 < 1); 844#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 839#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 840#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 841#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 837#L537-4 main_~i~1#1 := 0; 838#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 853#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 854#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 846#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 847#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 834#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 835#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 852#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 855#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 849#L520-3 [2022-11-18 20:28:41,705 INFO L750 eck$LassoCheckResult]: Loop: 849#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 851#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 848#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 849#L520-3 [2022-11-18 20:28:41,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:41,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1072640524, now seen corresponding path program 3 times [2022-11-18 20:28:41,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:41,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633468472] [2022-11-18 20:28:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:41,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:41,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:41,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:41,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:41,749 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 2 times [2022-11-18 20:28:41,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:41,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168704417] [2022-11-18 20:28:41,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:41,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:41,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:41,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:41,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:41,756 INFO L85 PathProgramCache]: Analyzing trace with hash 477217066, now seen corresponding path program 1 times [2022-11-18 20:28:41,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:41,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656017027] [2022-11-18 20:28:41,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:41,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:41,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:41,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:45,359 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:28:45,359 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:28:45,359 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:28:45,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:28:45,360 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:28:45,360 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:45,360 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:28:45,360 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:28:45,360 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration7_Lasso [2022-11-18 20:28:45,360 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:28:45,361 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:28:45,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:45,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:45,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:45,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:45,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:45,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:45,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:45,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:47,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:48,626 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:28:48,626 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:28:48,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,628 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 20:28:48,632 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 [2022-11-18 20:28:48,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:48,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:48,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:48,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:48,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,651 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-18 20:28:48,653 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 [2022-11-18 20:28:48,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:48,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:48,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:48,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:48,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,675 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-18 20:28:48,679 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 [2022-11-18 20:28:48,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:48,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:48,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:48,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-18 20:28:48,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,697 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 20:28:48,700 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 [2022-11-18 20:28:48,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:48,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:48,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-18 20:28:48,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,723 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 20:28:48,726 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 [2022-11-18 20:28:48,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:48,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:48,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:48,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:48,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,745 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-18 20:28:48,748 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 [2022-11-18 20:28:48,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:48,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:48,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-18 20:28:48,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,770 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-18 20:28:48,773 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 [2022-11-18 20:28:48,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:48,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:48,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:48,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-18 20:28:48,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,792 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-18 20:28:48,795 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 [2022-11-18 20:28:48,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:48,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:48,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-18 20:28:48,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,817 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-18 20:28:48,820 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 [2022-11-18 20:28:48,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:48,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:48,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:48,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,852 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:48,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-18 20:28:48,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:48,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:48,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:48,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,912 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-18 20:28:48,916 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 [2022-11-18 20:28:48,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:48,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:48,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:48,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:48,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:48,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:48,963 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:48,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-18 20:28:48,966 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 [2022-11-18 20:28:48,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:48,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:48,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:48,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:48,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:48,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:49,038 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:28:49,169 INFO L443 ModelExtractionUtils]: Simplification made 31 calls to the SMT solver. [2022-11-18 20:28:49,170 INFO L444 ModelExtractionUtils]: 8 out of 58 variables were initially zero. Simplification set additionally 47 variables to zero. [2022-11-18 20:28:49,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:49,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:49,173 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:49,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-18 20:28:49,174 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:28:49,185 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:28:49,185 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:28:49,185 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2, ULTIMATE.start_cstrspn_~spanp~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2 - 1*ULTIMATE.start_cstrspn_~spanp~0#1.offset Supporting invariants [] [2022-11-18 20:28:49,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:49,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:49,476 INFO L156 tatePredicateManager]: 38 out of 40 supporting invariants were superfluous and have been removed [2022-11-18 20:28:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:49,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:28:49,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:49,662 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:28:49,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:49,704 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-18 20:28:49,704 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-11-18 20:28:49,752 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 58 transitions. Complement of second has 7 states. [2022-11-18 20:28:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:28:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-11-18 20:28:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-11-18 20:28:49,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-18 20:28:49,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:49,754 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:28:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:49,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:28:49,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:49,939 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:28:49,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:49,989 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-18 20:28:49,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-11-18 20:28:50,054 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 60 transitions. Complement of second has 7 states. [2022-11-18 20:28:50,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:28:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-11-18 20:28:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2022-11-18 20:28:50,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-18 20:28:50,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:50,059 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:28:50,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:50,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:28:50,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:50,272 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:28:50,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:50,327 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-18 20:28:50,327 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-11-18 20:28:50,386 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 54 states and 64 transitions. Complement of second has 6 states. [2022-11-18 20:28:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:28:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-11-18 20:28:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2022-11-18 20:28:50,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-18 20:28:50,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:50,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 21 letters. Loop has 3 letters. [2022-11-18 20:28:50,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:50,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 18 letters. Loop has 6 letters. [2022-11-18 20:28:50,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:50,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 64 transitions. [2022-11-18 20:28:50,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:28:50,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 27 states and 33 transitions. [2022-11-18 20:28:50,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 20:28:50,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-18 20:28:50,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 33 transitions. [2022-11-18 20:28:50,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:28:50,393 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-11-18 20:28:50,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 33 transitions. [2022-11-18 20:28:50,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-11-18 20:28:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 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) [2022-11-18 20:28:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-11-18 20:28:50,395 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-18 20:28:50,396 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-18 20:28:50,396 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-18 20:28:50,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2022-11-18 20:28:50,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:28:50,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:28:50,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:28:50,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:50,398 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:28:50,398 INFO L748 eck$LassoCheckResult]: Stem: 1433#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1434#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1446#L528 assume !(main_~length1~0#1 < 1); 1444#L528-2 assume !(main_~length2~0#1 < 1); 1445#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 1440#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1441#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1442#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1443#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1453#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1438#L537-4 main_~i~1#1 := 0; 1439#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1451#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1452#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1447#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 1448#L522 [2022-11-18 20:28:50,398 INFO L750 eck$LassoCheckResult]: Loop: 1448#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 1435#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 1436#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 1449#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 1448#L522 [2022-11-18 20:28:50,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:50,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1523394364, now seen corresponding path program 1 times [2022-11-18 20:28:50,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:50,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370149784] [2022-11-18 20:28:50,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:50,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:50,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:50,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:50,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 4 times [2022-11-18 20:28:50,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:50,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639859337] [2022-11-18 20:28:50,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:50,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:50,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:50,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:50,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:50,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1430543523, now seen corresponding path program 4 times [2022-11-18 20:28:50,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:50,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045570570] [2022-11-18 20:28:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:50,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:28:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:28:50,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:28:51,991 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:28:51,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:28:51,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:28:51,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:28:51,992 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:28:51,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:51,992 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:28:51,992 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:28:51,992 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration8_Lasso [2022-11-18 20:28:51,992 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:28:51,992 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:28:51,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,018 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,035 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:52,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:53,089 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:53,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:53,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:53,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:28:53,982 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:28:53,982 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:28:53,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:53,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:53,984 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:53,996 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 [2022-11-18 20:28:54,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-18 20:28:54,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:54,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:54,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,032 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,038 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 [2022-11-18 20:28:54,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-18 20:28:54,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,079 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-18 20:28:54,082 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 [2022-11-18 20:28:54,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,100 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-18 20:28:54,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:54,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:54,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:54,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-18 20:28:54,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,123 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-18 20:28:54,126 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 [2022-11-18 20:28:54,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-18 20:28:54,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,144 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-18 20:28:54,147 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 [2022-11-18 20:28:54,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-11-18 20:28:54,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,165 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-18 20:28:54,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:54,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-18 20:28:54,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,187 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,196 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 [2022-11-18 20:28:54,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-18 20:28:54,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,232 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,237 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 [2022-11-18 20:28:54,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-18 20:28:54,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,284 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,291 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 [2022-11-18 20:28:54,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-18 20:28:54,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,322 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,326 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 [2022-11-18 20:28:54,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-18 20:28:54,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,364 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,369 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 [2022-11-18 20:28:54,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-18 20:28:54,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-18 20:28:54,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,392 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-18 20:28:54,394 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 [2022-11-18 20:28:54,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,413 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-18 20:28:54,416 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 [2022-11-18 20:28:54,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:54,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:54,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,438 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-18 20:28:54,441 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 [2022-11-18 20:28:54,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:54,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:54,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-11-18 20:28:54,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,461 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-18 20:28:54,464 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 [2022-11-18 20:28:54,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-11-18 20:28:54,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,481 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-18 20:28:54,485 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 [2022-11-18 20:28:54,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:54,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:54,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,538 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:54,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-18 20:28:54,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,560 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:28:54,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,564 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:28:54,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,588 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,595 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 [2022-11-18 20:28:54,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-18 20:28:54,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:54,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:54,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,636 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:28:54,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:28:54,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:28:54,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:28:54,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-18 20:28:54,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,668 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,671 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 [2022-11-18 20:28:54,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:54,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:54,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-18 20:28:54,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:28:54,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:54,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,703 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,707 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 [2022-11-18 20:28:54,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:28:54,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:28:54,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:28:54,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:28:54,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-18 20:28:54,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:28:54,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:28:54,769 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:28:54,890 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-11-18 20:28:54,890 INFO L444 ModelExtractionUtils]: 14 out of 58 variables were initially zero. Simplification set additionally 39 variables to zero. [2022-11-18 20:28:54,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:28:54,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:28:54,892 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:28:54,895 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:28:54,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-18 20:28:54,921 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:28:54,921 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:28:54,921 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_cstrspn_~p~0#1.offset) = 4294967295*ULTIMATE.start_main_~i~0#1 - 2*ULTIMATE.start_cstrspn_~p~0#1.offset Supporting invariants [-2*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_5 + 4294967295*ULTIMATE.start_main_~i~0#1 >= 0] [2022-11-18 20:28:54,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:55,053 INFO L156 tatePredicateManager]: 23 out of 25 supporting invariants were superfluous and have been removed [2022-11-18 20:28:55,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:55,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 20:28:55,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:28:55,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-11-18 20:28:55,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-18 20:28:55,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-18 20:28:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:55,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:28:55,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:28:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:28:55,418 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-18 20:28:55,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:55,522 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 36 transitions. Complement of second has 7 states. [2022-11-18 20:28:55,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:28:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:28:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2022-11-18 20:28:55,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-18 20:28:55,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:55,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 19 letters. Loop has 4 letters. [2022-11-18 20:28:55,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:55,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 15 letters. Loop has 8 letters. [2022-11-18 20:28:55,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:28:55,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-11-18 20:28:55,534 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:28:55,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2022-11-18 20:28:55,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:28:55,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:28:55,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:28:55,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:28:55,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:28:55,535 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:28:55,536 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:28:55,536 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-18 20:28:55,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:28:55,536 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:28:55,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:28:55,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:28:55 BoogieIcfgContainer [2022-11-18 20:28:55,545 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:28:55,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:28:55,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:28:55,546 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:28:55,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:28:28" (3/4) ... [2022-11-18 20:28:55,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:28:55,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:28:55,552 INFO L158 Benchmark]: Toolchain (without parser) took 28245.88ms. Allocated memory was 123.7MB in the beginning and 239.1MB in the end (delta: 115.3MB). Free memory was 96.3MB in the beginning and 175.1MB in the end (delta: -78.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-18 20:28:55,552 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:28:55,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.92ms. Allocated memory is still 123.7MB. Free memory was 96.0MB in the beginning and 91.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:28:55,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.18ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 89.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:28:55,554 INFO L158 Benchmark]: Boogie Preprocessor took 45.21ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 87.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:28:55,554 INFO L158 Benchmark]: RCFGBuilder took 511.87ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 75.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:28:55,555 INFO L158 Benchmark]: BuchiAutomizer took 26913.29ms. Allocated memory was 123.7MB in the beginning and 239.1MB in the end (delta: 115.3MB). Free memory was 74.7MB in the beginning and 176.2MB in the end (delta: -101.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-18 20:28:55,555 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 239.1MB. Free memory was 176.2MB in the beginning and 175.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:28:55,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.92ms. Allocated memory is still 123.7MB. Free memory was 96.0MB in the beginning and 91.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.18ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 89.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.21ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 87.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 511.87ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 75.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 26913.29ms. Allocated memory was 123.7MB in the beginning and 239.1MB in the end (delta: 115.3MB). Free memory was 74.7MB in the beginning and 176.2MB in the end (delta: -101.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 239.1MB. Free memory was 176.2MB in the beginning and 175.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 8 terminating modules (3 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * spanp + 4294967295 * p and consists of 5 locations. One deterministic module has affine ranking function -2 * p + 4294967295 * i and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * spanp and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.8s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 23.9s. Construction of modules took 0.3s. Büchi inclusion checks took 2.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 14 StatesRemovedByMinimization, 5 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 303 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 533 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 33 IncrementalHoareTripleChecker+Unchecked, 375 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 293 IncrementalHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 158 mSDtfsCounter, 293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital261 mio100 ax108 hnf100 lsp87 ukn76 mio100 lsp51 div163 bol100 ite100 ukn100 eq167 hnf92 smp74 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 121ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 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! [2022-11-18 20:28:55,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2022-11-18 20:28:55,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5d9d0e-f0ef-40c1-8c12-9caed1343d5d/bin/uautomizer-TMbwUNV5ro/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