./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcat-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_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/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_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/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_f4d8f15a-1a57-49d2-95ad-1ec53767005e/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 bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e --- 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 21:00:07,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:00:07,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:00:07,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:00:07,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:00:07,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:00:07,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:00:07,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:00:07,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:00:07,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:00:07,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:00:07,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:00:07,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:00:07,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:00:07,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:00:07,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:00:07,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:00:07,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:00:07,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:00:07,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:00:07,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:00:07,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:00:07,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:00:07,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:00:07,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:00:07,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:00:07,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:00:07,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:00:07,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:00:07,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:00:07,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:00:07,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:00:07,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:00:07,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:00:07,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:00:07,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:00:07,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:00:07,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:00:07,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:00:07,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:00:07,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:00:07,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 21:00:08,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:00:08,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:00:08,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:00:08,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:00:08,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:00:08,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:00:08,018 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:00:08,018 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 21:00:08,018 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 21:00:08,019 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 21:00:08,019 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 21:00:08,019 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 21:00:08,019 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 21:00:08,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:00:08,020 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:00:08,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:00:08,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:00:08,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:00:08,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:00:08,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 21:00:08,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 21:00:08,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 21:00:08,022 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:00:08,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:00:08,022 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 21:00:08,022 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:00:08,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 21:00:08,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:00:08,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:00:08,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:00:08,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:00:08,025 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 21:00:08,025 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_f4d8f15a-1a57-49d2-95ad-1ec53767005e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e [2022-11-18 21:00:08,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:00:08,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:00:08,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:00:08,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:00:08,325 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:00:08,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2022-11-18 21:00:08,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/data/12239bdc2/56eef849087f46b4b2644ebd2ef2a08b/FLAG966f7d369 [2022-11-18 21:00:09,142 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:00:09,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2022-11-18 21:00:09,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/data/12239bdc2/56eef849087f46b4b2644ebd2ef2a08b/FLAG966f7d369 [2022-11-18 21:00:09,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/data/12239bdc2/56eef849087f46b4b2644ebd2ef2a08b [2022-11-18 21:00:09,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:00:09,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:00:09,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:00:09,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:00:09,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:00:09,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:00:09" (1/1) ... [2022-11-18 21:00:09,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28932d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:09, skipping insertion in model container [2022-11-18 21:00:09,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:00:09" (1/1) ... [2022-11-18 21:00:09,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:00:09,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:00:09,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:00:09,971 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:00:10,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:00:10,072 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:00:10,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10 WrapperNode [2022-11-18 21:00:10,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:00:10,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:00:10,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:00:10,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:00:10,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,120 INFO L138 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-11-18 21:00:10,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:00:10,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:00:10,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:00:10,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:00:10,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,143 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:00:10,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:00:10,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:00:10,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:00:10,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (1/1) ... [2022-11-18 21:00:10,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:10,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:10,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:10,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 21:00:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:00:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:00:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:00:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:00:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:00:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:00:10,375 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:00:10,377 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:00:10,597 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:00:10,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:00:10,604 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 21:00:10,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:10 BoogieIcfgContainer [2022-11-18 21:00:10,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:00:10,608 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 21:00:10,608 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 21:00:10,613 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 21:00:10,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:00:10,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:00:09" (1/3) ... [2022-11-18 21:00:10,616 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e6fb0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:00:10, skipping insertion in model container [2022-11-18 21:00:10,616 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:00:10,616 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:10" (2/3) ... [2022-11-18 21:00:10,617 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e6fb0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:00:10, skipping insertion in model container [2022-11-18 21:00:10,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:00:10,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:10" (3/3) ... [2022-11-18 21:00:10,619 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcat-alloca-2.i [2022-11-18 21:00:10,714 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 21:00:10,715 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 21:00:10,715 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 21:00:10,715 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 21:00:10,715 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 21:00:10,715 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 21:00:10,716 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 21:00:10,716 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 21:00:10,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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 21:00:10,745 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-18 21:00:10,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:10,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:10,752 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-18 21:00:10,752 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:10,753 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 21:00:10,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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 21:00:10,756 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-18 21:00:10,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:10,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:10,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-18 21:00:10,757 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:10,767 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#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~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 13#L527true assume !(main_~length1~0#1 < 1); 16#L527-2true assume !(main_~length2~0#1 < 2); 17#L530-1true assume !(main_~length3~0#1 < 1); 12#L533-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 8#L540-3true [2022-11-18 21:00:10,767 INFO L750 eck$LassoCheckResult]: Loop: 8#L540-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 15#L540-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 8#L540-3true [2022-11-18 21:00:10,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:10,775 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2022-11-18 21:00:10,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:10,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787415573] [2022-11-18 21:00:10,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:10,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:10,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:10,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:10,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2022-11-18 21:00:10,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:10,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550537397] [2022-11-18 21:00:10,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:10,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:10,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:10,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:10,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:10,993 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2022-11-18 21:00:10,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:10,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264060641] [2022-11-18 21:00:10,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:10,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:11,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:11,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:11,880 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:00:11,881 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:00:11,881 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:00:11,881 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:00:11,882 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 21:00:11,882 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:11,882 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:00:11,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:00:11,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration1_Lasso [2022-11-18 21:00:11,884 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:00:11,884 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:00:11,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:11,932 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 21:00:11,937 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 21:00:11,940 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 21:00:11,951 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 21:00:11,955 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 21:00:11,961 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 21:00:11,967 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 21:00:11,971 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 21:00:12,267 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 21:00:12,272 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 21:00:12,275 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 21:00:12,280 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 21:00:12,288 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 21:00:12,291 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 21:00:12,294 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 21:00:12,297 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 21:00:12,834 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:00:12,840 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:00:12,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:12,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:12,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:12,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 21:00:12,859 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 21:00:12,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:12,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:12,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:12,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:12,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:12,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:12,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:12,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:12,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:12,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:12,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:12,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:12,904 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 21:00:12,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 21:00:12,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:12,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:12,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:12,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:12,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:12,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:12,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:12,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:12,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:12,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:12,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:12,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:12,939 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 21:00:12,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 21:00:12,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:12,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:12,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:12,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:12,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:12,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:12,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:12,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:12,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:12,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:12,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:12,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:12,985 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 21:00:12,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 21:00:12,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:12,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:12,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:12,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:13,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:13,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,035 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:13,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 21:00:13,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:13,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:13,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,102 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,112 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 21:00:13,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:13,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 21:00:13,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:13,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:13,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 21:00:13,161 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 21:00:13,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:13,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:13,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:13,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,190 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 21:00:13,194 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 21:00:13,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:13,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:13,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,253 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,266 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 21:00:13,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 21:00:13,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:13,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:13,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,324 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,333 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 21:00:13,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:13,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:13,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:13,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 21:00:13,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,369 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,389 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 21:00:13,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 21:00:13,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:13,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:13,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:13,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-18 21:00:13,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,426 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 21:00:13,429 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 21:00:13,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:13,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:13,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,473 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 21:00:13,478 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 21:00:13,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:13,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:13,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,522 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 21:00:13,525 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 21:00:13,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:13,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:13,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:13,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,576 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,587 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 21:00:13,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:13,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:13,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:13,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:13,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 21:00:13,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:13,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:13,630 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 21:00:13,665 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-18 21:00:13,665 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-11-18 21:00:13,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:13,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:13,669 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:13,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 21:00:13,693 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 21:00:13,748 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 21:00:13,749 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 21:00:13,749 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 21:00:13,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:13,820 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 21:00:13,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:13,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:00:13,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:13,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:00:13,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:13,994 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 21:00:14,055 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 21:00:14,058 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:14,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-18 21:00:14,152 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 74 transitions. Complement of second has 7 states. [2022-11-18 21:00:14,155 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 21:00:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 52 transitions. [2022-11-18 21:00:14,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-18 21:00:14,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:14,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-18 21:00:14,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:14,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-18 21:00:14,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:14,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 74 transitions. [2022-11-18 21:00:14,171 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-18 21:00:14,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 17 states and 24 transitions. [2022-11-18 21:00:14,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 21:00:14,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-18 21:00:14,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-11-18 21:00:14,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:14,178 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-18 21:00:14,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-11-18 21:00:14,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-18 21:00:14,211 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 21:00:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-11-18 21:00:14,213 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-18 21:00:14,213 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-18 21:00:14,213 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 21:00:14,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-11-18 21:00:14,214 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-18 21:00:14,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:14,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:14,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:14,216 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:14,216 INFO L748 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#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~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 158#L527 assume !(main_~length1~0#1 < 1); 162#L527-2 assume !(main_~length2~0#1 < 2); 163#L530-1 assume !(main_~length3~0#1 < 1); 161#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 154#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 156#L540-4 main_~i~1#1 := 0; 147#L545-3 [2022-11-18 21:00:14,216 INFO L750 eck$LassoCheckResult]: Loop: 147#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 149#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 147#L545-3 [2022-11-18 21:00:14,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:14,217 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2022-11-18 21:00:14,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:14,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852363496] [2022-11-18 21:00:14,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:14,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:14,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:14,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:14,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2022-11-18 21:00:14,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:14,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400151374] [2022-11-18 21:00:14,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:14,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:14,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:14,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:14,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:14,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2022-11-18 21:00:14,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:14,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547876545] [2022-11-18 21:00:14,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:14,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:14,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:14,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:14,786 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:00:14,786 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:00:14,786 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:00:14,786 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:00:14,787 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 21:00:14,787 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:14,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:00:14,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:00:14,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration2_Lasso [2022-11-18 21:00:14,787 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:00:14,787 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:00:14,791 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 21:00:14,798 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 21:00:14,802 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 21:00:14,806 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 21:00:14,809 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 21:00:14,814 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 21:00:15,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:15,115 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 21:00:15,119 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 21:00:15,123 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 21:00:15,127 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 21:00:15,130 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 21:00:15,133 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 21:00:15,137 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 21:00:15,146 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 21:00:15,151 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 21:00:15,710 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:00:15,710 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:00:15,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:15,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:15,716 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:15,729 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 21:00:15,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 21:00:15,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:15,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:15,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:15,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:15,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:15,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:15,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:15,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:15,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:15,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:15,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:15,768 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:15,780 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 21:00:15,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 21:00:15,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:15,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:15,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:15,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:15,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:15,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:15,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:15,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:15,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:15,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:15,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:15,828 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:15,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 21:00:15,835 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 21:00:15,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:15,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:15,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:15,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:15,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:15,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:15,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:15,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:15,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:15,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:15,878 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:15,888 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 21:00:15,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 21:00:15,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:15,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:15,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:15,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:15,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:15,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:15,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:15,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:15,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:15,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:15,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:15,925 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:15,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:15,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 21:00:15,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:15,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:15,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:15,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:15,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:15,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:15,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:15,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:15,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:15,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:15,977 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:15,982 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 21:00:15,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 21:00:15,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:15,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:15,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:15,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:16,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:16,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:16,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:16,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:16,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:16,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:16,030 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:16,036 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 21:00:16,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 21:00:16,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:16,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:16,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:16,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:16,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:16,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:16,094 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 21:00:16,147 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-18 21:00:16,148 INFO L444 ModelExtractionUtils]: 23 out of 34 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 21:00:16,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:16,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:16,149 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:16,154 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 21:00:16,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 21:00:16,182 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 21:00:16,183 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 21:00:16,183 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2) = -1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2 Supporting invariants [] [2022-11-18 21:00:16,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:16,213 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 21:00:16,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:16,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:00:16,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:16,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 21:00:16,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:16,338 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 21:00:16,339 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 21:00:16,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:16,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 36 transitions. Complement of second has 7 states. [2022-11-18 21:00:16,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 21:00:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-11-18 21:00:16,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-18 21:00:16,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:16,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-18 21:00:16,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:16,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2022-11-18 21:00:16,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:16,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2022-11-18 21:00:16,428 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 21:00:16,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 26 transitions. [2022-11-18 21:00:16,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 21:00:16,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 21:00:16,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2022-11-18 21:00:16,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:16,439 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-18 21:00:16,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2022-11-18 21:00:16,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-18 21:00:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:16,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2022-11-18 21:00:16,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-18 21:00:16,445 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-18 21:00:16,445 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 21:00:16,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2022-11-18 21:00:16,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 21:00:16,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:16,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:16,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:16,450 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:16,450 INFO L748 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#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~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 281#L527 assume !(main_~length1~0#1 < 1); 287#L527-2 assume !(main_~length2~0#1 < 2); 288#L530-1 assume !(main_~length3~0#1 < 1); 286#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 282#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 284#L540-4 main_~i~1#1 := 0; 271#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 272#L545-4 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_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 280#L517-3 [2022-11-18 21:00:16,451 INFO L750 eck$LassoCheckResult]: Loop: 280#L517-3 call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 279#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 280#L517-3 [2022-11-18 21:00:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:16,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495071, now seen corresponding path program 1 times [2022-11-18 21:00:16,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:16,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880407148] [2022-11-18 21:00:16,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:16,671 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 21:00:16,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:16,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880407148] [2022-11-18 21:00:16,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880407148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:16,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:16,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:00:16,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115513840] [2022-11-18 21:00:16,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:16,680 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 21:00:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 1 times [2022-11-18 21:00:16,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:16,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125961244] [2022-11-18 21:00:16,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:16,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:16,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:16,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:16,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:16,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:00:16,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:00:16,779 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:16,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:16,817 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2022-11-18 21:00:16,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2022-11-18 21:00:16,819 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 21:00:16,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 26 transitions. [2022-11-18 21:00:16,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 21:00:16,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 21:00:16,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2022-11-18 21:00:16,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:16,821 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-11-18 21:00:16,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2022-11-18 21:00:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-18 21:00:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:16,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-11-18 21:00:16,825 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-18 21:00:16,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:00:16,828 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-18 21:00:16,829 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 21:00:16,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-11-18 21:00:16,833 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 21:00:16,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:16,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:16,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:16,835 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:16,835 INFO L748 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 320#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#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~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 323#L527 assume !(main_~length1~0#1 < 1); 331#L527-2 assume !(main_~length2~0#1 < 2); 332#L530-1 assume !(main_~length3~0#1 < 1); 330#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 324#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 326#L540-4 main_~i~1#1 := 0; 315#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 316#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 317#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 318#L545-4 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_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 329#L517-3 [2022-11-18 21:00:16,835 INFO L750 eck$LassoCheckResult]: Loop: 329#L517-3 call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 328#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 329#L517-3 [2022-11-18 21:00:16,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:16,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1696346049, now seen corresponding path program 1 times [2022-11-18 21:00:16,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:16,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161675145] [2022-11-18 21:00:16,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:16,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:16,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:16,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:16,909 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 2 times [2022-11-18 21:00:16,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:16,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981702063] [2022-11-18 21:00:16,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:16,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:16,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:16,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:16,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:16,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1899017530, now seen corresponding path program 1 times [2022-11-18 21:00:16,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:16,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062125915] [2022-11-18 21:00:16,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:16,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:16,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-18 21:00:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:17,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:17,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062125915] [2022-11-18 21:00:17,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062125915] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:17,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300639249] [2022-11-18 21:00:17,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:17,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:17,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:17,571 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:17,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-18 21:00:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:17,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-18 21:00:17,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:17,975 INFO L321 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2022-11-18 21:00:17,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 80 [2022-11-18 21:00:18,008 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 0 case distinctions, treesize of input 11 treesize of output 10 [2022-11-18 21:00:18,028 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 0 case distinctions, treesize of input 11 treesize of output 10 [2022-11-18 21:00:18,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 26 treesize of output 14 [2022-11-18 21:00:18,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 21:00:18,251 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 21:00:18,252 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 18 treesize of output 10 [2022-11-18 21:00:18,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:18,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:00:18,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2022-11-18 21:00:18,327 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 26 treesize of output 24 [2022-11-18 21:00:18,336 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 27 treesize of output 25 [2022-11-18 21:00:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:18,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300639249] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:00:18,637 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:00:18,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-11-18 21:00:18,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195001186] [2022-11-18 21:00:18,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:00:18,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:18,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 21:00:18,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2022-11-18 21:00:18,677 INFO L87 Difference]: Start difference. First operand 18 states and 25 transitions. cyclomatic complexity: 11 Second operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:19,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:19,075 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2022-11-18 21:00:19,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2022-11-18 21:00:19,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 21:00:19,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 33 transitions. [2022-11-18 21:00:19,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-18 21:00:19,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 21:00:19,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2022-11-18 21:00:19,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:19,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-18 21:00:19,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2022-11-18 21:00:19,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-11-18 21:00:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2022-11-18 21:00:19,078 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 31 transitions. [2022-11-18 21:00:19,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 21:00:19,081 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2022-11-18 21:00:19,081 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 21:00:19,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 31 transitions. [2022-11-18 21:00:19,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 21:00:19,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:19,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:19,084 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:19,084 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:19,085 INFO L748 eck$LassoCheckResult]: Stem: 479#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#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~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 488#L527 assume !(main_~length1~0#1 < 1); 490#L527-2 assume !(main_~length2~0#1 < 2); 491#L530-1 assume !(main_~length3~0#1 < 1); 489#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 483#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 485#L540-4 main_~i~1#1 := 0; 474#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 475#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 476#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 477#L545-4 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_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 495#L517-3 call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 487#L517-1 assume !(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1; 481#L519-2 [2022-11-18 21:00:19,086 INFO L750 eck$LassoCheckResult]: Loop: 481#L519-2 cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post4#1.base, 1 + cstrcat_#t~post4#1.offset;cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset := cstrcat_~s2#1.base, cstrcat_~s2#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#t~post5#1.base, 1 + cstrcat_#t~post5#1.offset;call cstrcat_#t~mem6#1 := read~int(cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, 1);call write~int(cstrcat_#t~mem6#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, 1); 482#L519 assume !!(0 != cstrcat_#t~mem6#1);havoc cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset;havoc cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset;havoc cstrcat_#t~mem6#1; 481#L519-2 [2022-11-18 21:00:19,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:19,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1899017532, now seen corresponding path program 1 times [2022-11-18 21:00:19,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:19,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437491364] [2022-11-18 21:00:19,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:19,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:19,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:19,148 INFO L85 PathProgramCache]: Analyzing trace with hash 3206, now seen corresponding path program 1 times [2022-11-18 21:00:19,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:19,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039965623] [2022-11-18 21:00:19,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:19,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:19,160 INFO L85 PathProgramCache]: Analyzing trace with hash 405254793, now seen corresponding path program 1 times [2022-11-18 21:00:19,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:19,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013075196] [2022-11-18 21:00:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:19,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:19,591 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 21:00:19,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:19,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013075196] [2022-11-18 21:00:19,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013075196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:19,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:19,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:00:19,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125107630] [2022-11-18 21:00:19,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:19,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:19,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:00:19,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:00:19,744 INFO L87 Difference]: Start difference. First operand 23 states and 31 transitions. cyclomatic complexity: 12 Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:19,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:19,841 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-11-18 21:00:19,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2022-11-18 21:00:19,842 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-18 21:00:19,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 33 states and 42 transitions. [2022-11-18 21:00:19,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-18 21:00:19,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-11-18 21:00:19,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2022-11-18 21:00:19,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:19,843 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-11-18 21:00:19,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2022-11-18 21:00:19,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-11-18 21:00:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.28125) internal successors, (41), 31 states have internal predecessors, (41), 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 21:00:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2022-11-18 21:00:19,847 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-11-18 21:00:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:00:19,848 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-11-18 21:00:19,849 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 21:00:19,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2022-11-18 21:00:19,849 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-18 21:00:19,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:19,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:19,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:19,851 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:19,851 INFO L748 eck$LassoCheckResult]: Stem: 556#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 557#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#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~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 567#L527 assume !(main_~length1~0#1 < 1); 569#L527-2 assume !(main_~length2~0#1 < 2); 570#L530-1 assume !(main_~length3~0#1 < 1); 568#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 560#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 562#L540-4 main_~i~1#1 := 0; 571#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 579#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 578#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 577#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 576#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 575#L545-4 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_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 566#L517-3 [2022-11-18 21:00:19,851 INFO L750 eck$LassoCheckResult]: Loop: 566#L517-3 call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 565#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 566#L517-3 [2022-11-18 21:00:19,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:19,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1898962205, now seen corresponding path program 2 times [2022-11-18 21:00:19,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:19,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158886744] [2022-11-18 21:00:19,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:19,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:19,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:19,885 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 3 times [2022-11-18 21:00:19,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:19,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005102016] [2022-11-18 21:00:19,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:19,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash 458423656, now seen corresponding path program 2 times [2022-11-18 21:00:19,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:19,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815444648] [2022-11-18 21:00:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:19,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:21,871 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:00:21,871 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:00:21,871 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:00:21,871 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:00:21,871 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 21:00:21,872 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:21,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:00:21,872 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:00:21,872 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration6_Lasso [2022-11-18 21:00:21,872 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:00:21,872 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:00:21,877 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 21:00:21,882 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 21:00:21,884 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 21:00:21,887 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 21:00:21,890 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 21:00:21,893 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 21:00:21,896 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 21:00:21,900 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 21:00:21,903 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 21:00:21,906 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 21:00:21,910 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 21:00:21,913 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 21:00:21,918 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 21:00:21,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:21,924 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 21:00:21,928 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 21:00:21,931 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 21:00:21,936 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 21:00:21,939 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 21:00:21,943 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 21:00:21,946 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 21:00:21,949 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 21:00:22,756 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 21:00:22,761 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 21:00:22,764 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 21:00:22,767 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 21:00:22,769 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 21:00:23,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:00:23,639 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:00:23,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,641 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,650 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 21:00:23,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:23,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:23,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 21:00:23,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,700 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,705 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 21:00:23,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 21:00:23,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,728 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 21:00:23,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:23,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-18 21:00:23,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,761 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 21:00:23,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:23,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-18 21:00:23,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,801 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 21:00:23,804 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 21:00:23,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-18 21:00:23,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,822 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 21:00:23,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:23,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-18 21:00:23,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,841 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 21:00:23,844 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 21:00:23,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:23,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:23,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,891 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,899 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 21:00:23,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 21:00:23,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-18 21:00:23,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,917 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 21:00:23,920 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 21:00:23,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-18 21:00:23,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,936 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 21:00:23,940 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 21:00:23,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-18 21:00:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,958 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 21:00:23,961 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 21:00:23,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,993 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 21:00:23,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:24,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-18 21:00:24,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,018 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 21:00:24,024 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 21:00:24,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:24,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:24,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:24,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,064 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,071 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 21:00:24,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 21:00:24,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:24,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:24,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:24,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,112 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,119 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 21:00:24,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:24,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:24,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:24,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 21:00:24,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,156 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 21:00:24,160 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 21:00:24,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:24,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:24,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:24,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,197 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,201 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 21:00:24,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 21:00:24,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,236 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,240 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 21:00:24,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:24,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:24,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:24,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 21:00:24,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,269 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,273 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 21:00:24,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 21:00:24,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,312 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,320 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 21:00:24,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 21:00:24,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:24,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:24,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:24,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-18 21:00:24,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,340 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 21:00:24,343 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 21:00:24,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:24,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:24,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:24,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-18 21:00:24,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,361 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 21:00:24,364 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 21:00:24,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,412 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,421 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 21:00:24,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 21:00:24,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,460 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 21:00:24,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:24,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,478 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 21:00:24,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,483 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-18 21:00:24,483 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 21:00:24,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,513 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 21:00:24,517 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 21:00:24,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,571 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-18 21:00:24,575 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 21:00:24,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,633 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,639 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 21:00:24,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 21:00:24,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,684 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,691 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 21:00:24,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-18 21:00:24,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:24,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:24,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:24,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-18 21:00:24,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,734 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,739 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 21:00:24,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-18 21:00:24,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:24,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,792 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:24,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 21:00:24,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:24,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:24,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:24,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:24,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:24,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:24,892 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 21:00:24,957 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-18 21:00:24,958 INFO L444 ModelExtractionUtils]: 12 out of 55 variables were initially zero. Simplification set additionally 40 variables to zero. [2022-11-18 21:00:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,966 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,968 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 21:00:24,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 21:00:25,008 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 21:00:25,009 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 21:00:25,009 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3, ULTIMATE.start_cstrcat_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 - 1*ULTIMATE.start_cstrcat_~s~0#1.offset Supporting invariants [] [2022-11-18 21:00:25,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:25,085 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2022-11-18 21:00:25,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 21:00:25,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,224 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 21:00:25,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:25,250 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 21:00:25,252 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 21:00:25,252 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 21:00:25,300 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 40 states and 52 transitions. Complement of second has 7 states. [2022-11-18 21:00:25,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 21:00:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 21:00:25,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-11-18 21:00:25,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-18 21:00:25,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:25,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 16 letters. Loop has 2 letters. [2022-11-18 21:00:25,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:25,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-18 21:00:25,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:25,304 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2022-11-18 21:00:25,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 21:00:25,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2022-11-18 21:00:25,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 21:00:25,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 21:00:25,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 21:00:25,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:25,305 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:00:25,305 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:00:25,305 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:00:25,305 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 21:00:25,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 21:00:25,305 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 21:00:25,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 21:00:25,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:00:25 BoogieIcfgContainer [2022-11-18 21:00:25,317 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 21:00:25,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:00:25,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:00:25,319 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:00:25,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:10" (3/4) ... [2022-11-18 21:00:25,322 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:00:25,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:00:25,324 INFO L158 Benchmark]: Toolchain (without parser) took 15964.32ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 76.8MB in the beginning and 97.8MB in the end (delta: -20.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-11-18 21:00:25,324 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:00:25,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.46ms. Allocated memory is still 98.6MB. Free memory was 76.8MB in the beginning and 68.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:00:25,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.10ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:00:25,326 INFO L158 Benchmark]: Boogie Preprocessor took 25.69ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 21:00:25,326 INFO L158 Benchmark]: RCFGBuilder took 459.36ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 52.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 21:00:25,327 INFO L158 Benchmark]: BuchiAutomizer took 14709.47ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 52.6MB in the beginning and 98.8MB in the end (delta: -46.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-18 21:00:25,327 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 97.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:25,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.46ms. Allocated memory is still 98.6MB. Free memory was 76.8MB in the beginning and 68.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.10ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.69ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 459.36ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 52.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 14709.47ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 52.6MB in the beginning and 98.8MB in the end (delta: -46.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 97.8MB 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 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * nondetString2 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 13.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 287 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1 IncrementalHoareTripleChecker+Unchecked, 183 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 104 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital182 mio100 ax110 hnf100 lsp84 ukn81 mio100 lsp62 div192 bol100 ite100 ukn100 eq152 hnf93 smp68 dnf100 smp100 tf100 neg97 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 2 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 21:00:25,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:25,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-11-18 21:00:25,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d8f15a-1a57-49d2-95ad-1ec53767005e/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