./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/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_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/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 64bit --witnessprinter.graph.data.programhash 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:29:06,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:29:06,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:29:06,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:29:06,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:29:06,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:29:06,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:29:06,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:29:06,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:29:06,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:29:06,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:29:06,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:29:06,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:29:06,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:29:06,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:29:06,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:29:06,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:29:06,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:29:06,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:29:06,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:29:06,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:29:06,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:29:06,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:29:06,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:29:06,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:29:06,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:29:06,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:29:06,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:29:06,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:29:06,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:29:06,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:29:06,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:29:06,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:29:06,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:29:06,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:29:06,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:29:06,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:29:06,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:29:06,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:29:06,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:29:06,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:29:06,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:29:06,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:29:06,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:29:06,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:29:06,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:29:06,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:29:06,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:29:06,510 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:29:06,511 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:29:06,511 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:29:06,511 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:29:06,512 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:29:06,513 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:29:06,513 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:29:06,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:29:06,514 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:29:06,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:29:06,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:29:06,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:29:06,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:29:06,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:29:06,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:29:06,515 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:29:06,516 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:29:06,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:29:06,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:29:06,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:29:06,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:29:06,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:29:06,518 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:29:06,519 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_6041aab9-e50a-4d1a-b651-b5143428f9b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2022-11-18 20:29:06,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:29:06,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:29:06,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:29:06,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:29:06,883 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:29:06,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2022-11-18 20:29:06,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/data/75ac7e019/db96551f4b7146d593d35dce033f2854/FLAGeb199fbd1 [2022-11-18 20:29:07,546 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:29:07,546 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2022-11-18 20:29:07,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/data/75ac7e019/db96551f4b7146d593d35dce033f2854/FLAGeb199fbd1 [2022-11-18 20:29:07,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/data/75ac7e019/db96551f4b7146d593d35dce033f2854 [2022-11-18 20:29:07,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:29:07,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:29:07,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:29:07,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:29:07,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:29:07,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:29:07" (1/1) ... [2022-11-18 20:29:07,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cdd8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:07, skipping insertion in model container [2022-11-18 20:29:07,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:29:07" (1/1) ... [2022-11-18 20:29:07,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:29:07,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:29:08,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:29:08,141 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:29:08,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:29:08,170 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:29:08,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08 WrapperNode [2022-11-18 20:29:08,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:29:08,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:29:08,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:29:08,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:29:08,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,206 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-18 20:29:08,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:29:08,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:29:08,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:29:08,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:29:08,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,244 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:29:08,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:29:08,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:29:08,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:29:08,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (1/1) ... [2022-11-18 20:29:08,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:08,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:08,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:08,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:29:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:29:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2022-11-18 20:29:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2022-11-18 20:29:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:29:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:29:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:29:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:29:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:29:08,430 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:29:08,432 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:29:08,557 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:29:08,565 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:29:08,565 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:29:08,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:08 BoogieIcfgContainer [2022-11-18 20:29:08,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:29:08,569 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:29:08,569 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:29:08,575 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:29:08,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:29:08,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:29:07" (1/3) ... [2022-11-18 20:29:08,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c43a74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:29:08, skipping insertion in model container [2022-11-18 20:29:08,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:29:08,599 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:08" (2/3) ... [2022-11-18 20:29:08,600 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c43a74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:29:08, skipping insertion in model container [2022-11-18 20:29:08,600 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:29:08,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:08" (3/3) ... [2022-11-18 20:29:08,602 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex3.i [2022-11-18 20:29:08,694 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:29:08,695 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:29:08,695 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:29:08,695 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:29:08,695 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:29:08,695 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:29:08,696 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:29:08,697 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:29:08,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:08,753 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:29:08,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:08,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:08,769 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:29:08,770 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:08,770 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:29:08,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:08,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:29:08,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:08,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:08,775 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:29:08,776 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:08,787 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 9#L20-2true [2022-11-18 20:29:08,789 INFO L750 eck$LassoCheckResult]: Loop: 9#L20-2true assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 11#L23true call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 10#recENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 8#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 13#recFINALtrue assume true; 12#recEXITtrue >#30#return; 6#L23-1true main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 9#L20-2true [2022-11-18 20:29:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:08,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2022-11-18 20:29:08,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:08,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424592618] [2022-11-18 20:29:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:08,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:08,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:09,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:09,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2039113776, now seen corresponding path program 1 times [2022-11-18 20:29:09,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:09,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950207633] [2022-11-18 20:29:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:09,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:09,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:09,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:09,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:09,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1009969970, now seen corresponding path program 1 times [2022-11-18 20:29:09,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:09,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217698251] [2022-11-18 20:29:09,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:09,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:09,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:09,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:10,097 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:10,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:10,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:10,099 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:10,099 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:10,099 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,099 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:10,100 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:10,100 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration1_Lasso [2022-11-18 20:29:10,100 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:10,100 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:10,127 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 20:29:10,141 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:10,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:10,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:10,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:10,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:10,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:10,288 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 20:29:10,467 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:29:10,473 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:29:10,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:10,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:10,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:29:10,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:10,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:10,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:10,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:10,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:10,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:10,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:10,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:10,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:10,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:10,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:10,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:10,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:29:10,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:10,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:10,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:10,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:10,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:10,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:10,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:10,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:10,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:10,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:10,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:10,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:29:10,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:10,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:10,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:10,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:10,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:10,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:10,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:10,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:10,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:10,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:10,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:10,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:10,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:29:10,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:10,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:10,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:10,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:10,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:10,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:10,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:10,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:10,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:10,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-18 20:29:10,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:10,708 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:10,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:10,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:29:10,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:10,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:10,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:10,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:10,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:10,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:10,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:10,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:10,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:10,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:10,755 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:10,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:10,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:29:10,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:10,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:10,784 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:29:10,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:10,813 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-18 20:29:10,813 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:29:10,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:10,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:10,853 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:10,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:29:10,859 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 20:29:10,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:10,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:10,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:10,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:10,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:10,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:10,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:10,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:29:10,895 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:29:10,896 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-18 20:29:10,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:10,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:10,899 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:10,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:29:10,911 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:29:10,911 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:29:10,911 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:29:10,912 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 20:29:10,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-18 20:29:10,922 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:29:10,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:10,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:29:10,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:11,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:29:11,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:11,158 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 17 treesize of output 9 [2022-11-18 20:29:11,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:11,260 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-11-18 20:29:11,263 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:29:11,431 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 63 states and 77 transitions. Complement of second has 22 states. [2022-11-18 20:29:11,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:29:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2022-11-18 20:29:11,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 7 letters. [2022-11-18 20:29:11,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:11,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 9 letters. Loop has 7 letters. [2022-11-18 20:29:11,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:11,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 14 letters. [2022-11-18 20:29:11,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:11,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2022-11-18 20:29:11,456 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-18 20:29:11,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 35 states and 42 transitions. [2022-11-18 20:29:11,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-18 20:29:11,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-11-18 20:29:11,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2022-11-18 20:29:11,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:29:11,468 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-11-18 20:29:11,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2022-11-18 20:29:11,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-11-18 20:29:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:29:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-11-18 20:29:11,507 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-18 20:29:11,507 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-18 20:29:11,507 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:29:11,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2022-11-18 20:29:11,510 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-18 20:29:11,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:11,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:11,511 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:11,511 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:29:11,511 INFO L748 eck$LassoCheckResult]: Stem: 153#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 154#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 175#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 165#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 169#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 183#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 156#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 167#recENTRY [2022-11-18 20:29:11,512 INFO L750 eck$LassoCheckResult]: Loop: 167#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 155#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 157#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 167#recENTRY [2022-11-18 20:29:11,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:11,513 INFO L85 PathProgramCache]: Analyzing trace with hash 557607690, now seen corresponding path program 1 times [2022-11-18 20:29:11,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:11,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656667891] [2022-11-18 20:29:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:11,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:11,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:11,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:11,556 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2022-11-18 20:29:11,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:11,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611043296] [2022-11-18 20:29:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:11,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:11,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:11,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:11,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:11,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1242807987, now seen corresponding path program 2 times [2022-11-18 20:29:11,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:11,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350792479] [2022-11-18 20:29:11,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:11,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:11,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:11,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:11,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:12,754 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:12,754 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:12,754 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:12,754 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:12,755 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:12,755 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:12,755 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:12,755 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:12,755 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration2_Lasso [2022-11-18 20:29:12,755 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:12,755 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:12,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,769 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 20:29:12,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,800 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:12,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:13,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:13,380 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:29:13,380 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:29:13,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,387 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:29:13,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,433 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:29:13,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,488 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:29:13,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:13,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:13,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,550 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:29:13,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,606 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:29:13,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,666 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:29:13,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,722 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:29:13,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,771 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:29:13,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,830 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:29:13,835 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 20:29:13,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,868 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:29:13,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:13,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:13,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,925 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:13,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:29:13,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:13,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:13,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:13,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:13,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:13,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:13,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:13,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:13,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:13,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:13,986 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:13,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:29:13,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-11-18 20:29:14,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,029 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:29:14,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:14,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,080 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:29:14,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:14,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,130 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:29:14,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:14,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,181 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:29:14,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:14,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,221 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:29:14,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-18 20:29:14,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,256 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:29:14,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:14,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,304 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:29:14,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:14,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,352 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:29:14,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:14,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:14,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:14,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-18 20:29:14,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,392 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:29:14,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:14,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:14,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:14,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:14,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,454 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:14,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:29:14,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:14,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:14,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:14,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:14,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:14,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:14,498 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:29:14,511 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 20:29:14,511 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:29:14,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:14,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:14,515 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:14,523 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:29:14,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:29:14,559 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:29:14,559 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:29:14,560 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_1) = 2*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_1 + 1 Supporting invariants [] [2022-11-18 20:29:14,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:14,568 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-18 20:29:14,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:14,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:29:14,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:14,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:29:14,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:14,746 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 39 treesize of output 23 [2022-11-18 20:29:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:14,774 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 20:29:14,775 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:14,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 56 transitions. Complement of second has 17 states. [2022-11-18 20:29:14,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-11-18 20:29:14,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-18 20:29:14,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:14,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-18 20:29:14,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:14,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-18 20:29:14,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:14,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2022-11-18 20:29:14,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:29:14,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 41 states and 50 transitions. [2022-11-18 20:29:14,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-18 20:29:14,914 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-11-18 20:29:14,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 50 transitions. [2022-11-18 20:29:14,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:29:14,915 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-11-18 20:29:14,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 50 transitions. [2022-11-18 20:29:14,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-11-18 20:29:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 5 states have call predecessors, (6), 6 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-18 20:29:14,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2022-11-18 20:29:14,927 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-18 20:29:14,927 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-18 20:29:14,927 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:29:14,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2022-11-18 20:29:14,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:29:14,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:14,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:14,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:14,933 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:14,933 INFO L748 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 304#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 326#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 314#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 320#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 333#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 306#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 317#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 305#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 307#recFINAL assume true; 327#recEXIT >#28#return; 339#L15-1 #res := #t~ret5;havoc #t~ret5; 338#recFINAL assume true; 337#recEXIT >#30#return; 325#L23-1 [2022-11-18 20:29:14,934 INFO L750 eck$LassoCheckResult]: Loop: 325#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 310#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 311#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 334#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 335#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 336#recFINAL assume true; 330#recEXIT >#30#return; 325#L23-1 [2022-11-18 20:29:14,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:14,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1969157627, now seen corresponding path program 1 times [2022-11-18 20:29:14,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:14,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888351461] [2022-11-18 20:29:14,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:14,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:14,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:15,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:15,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:15,006 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 2 times [2022-11-18 20:29:15,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:15,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963873624] [2022-11-18 20:29:15,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:15,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:15,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:15,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:15,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:15,043 INFO L85 PathProgramCache]: Analyzing trace with hash 931270558, now seen corresponding path program 1 times [2022-11-18 20:29:15,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:15,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664967021] [2022-11-18 20:29:15,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:15,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:15,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:15,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:16,508 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:16,509 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:16,509 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:16,509 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:16,509 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:16,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:16,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:16,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:16,510 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration3_Lasso [2022-11-18 20:29:16,510 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:16,510 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:16,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:16,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:16,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:16,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:16,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:16,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:16,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:16,994 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:29:16,995 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:29:16,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:16,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:16,996 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:17,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:17,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:17,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:17,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:17,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:17,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:29:17,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:17,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:17,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:17,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:17,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:17,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:17,049 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:17,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:17,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:29:17,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:17,074 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-18 20:29:17,075 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:29:17,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:17,083 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-18 20:29:17,083 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:29:17,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:17,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:17,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:17,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:17,112 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:17,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:17,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:29:17,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:17,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:17,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:17,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:17,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:17,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:17,153 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:29:17,176 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-18 20:29:17,177 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-18 20:29:17,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:17,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:17,179 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:17,187 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:29:17,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:29:17,211 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:29:17,212 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:29:17,212 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~ret9#1) = 1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_#t~ret9#1 Supporting invariants [] [2022-11-18 20:29:17,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:17,223 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-18 20:29:17,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:17,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-18 20:29:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:17,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:29:17,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:17,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:29:17,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:17,605 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 17 treesize of output 9 [2022-11-18 20:29:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:17,630 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2022-11-18 20:29:17,631 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11 Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:29:17,767 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Result 130 states and 152 transitions. Complement of second has 21 states. [2022-11-18 20:29:17,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:29:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2022-11-18 20:29:17,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 14 letters. Loop has 7 letters. [2022-11-18 20:29:17,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:17,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-18 20:29:17,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:17,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 14 letters. Loop has 14 letters. [2022-11-18 20:29:17,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:17,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 152 transitions. [2022-11-18 20:29:17,777 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-18 20:29:17,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 90 states and 105 transitions. [2022-11-18 20:29:17,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2022-11-18 20:29:17,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2022-11-18 20:29:17,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 105 transitions. [2022-11-18 20:29:17,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:29:17,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 105 transitions. [2022-11-18 20:29:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 105 transitions. [2022-11-18 20:29:17,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 82. [2022-11-18 20:29:17,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 59 states have internal predecessors, (66), 13 states have call successors, (13), 11 states have call predecessors, (13), 13 states have return successors, (17), 11 states have call predecessors, (17), 13 states have call successors, (17) [2022-11-18 20:29:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2022-11-18 20:29:17,802 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 96 transitions. [2022-11-18 20:29:17,803 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2022-11-18 20:29:17,803 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:29:17,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 96 transitions. [2022-11-18 20:29:17,807 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-18 20:29:17,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:17,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:17,811 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:17,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:29:17,814 INFO L748 eck$LassoCheckResult]: Stem: 586#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 587#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 617#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 627#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 628#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 633#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 623#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 632#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 641#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 642#recFINAL assume true; 631#recEXIT >#28#return; 630#L15-1 #res := #t~ret5;havoc #t~ret5; 629#recFINAL assume true; 626#recEXIT >#30#return; 625#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 616#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 605#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 606#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 661#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 602#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 600#recENTRY [2022-11-18 20:29:17,814 INFO L750 eck$LassoCheckResult]: Loop: 600#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 603#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 601#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 600#recENTRY [2022-11-18 20:29:17,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:17,815 INFO L85 PathProgramCache]: Analyzing trace with hash -801242957, now seen corresponding path program 2 times [2022-11-18 20:29:17,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:17,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294827234] [2022-11-18 20:29:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:17,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:17,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:17,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:17,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 2 times [2022-11-18 20:29:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:17,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566314057] [2022-11-18 20:29:17,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:17,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:17,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:17,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:17,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:17,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1599299332, now seen corresponding path program 3 times [2022-11-18 20:29:17,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:17,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760140999] [2022-11-18 20:29:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:17,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:17,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:18,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:20,111 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:20,111 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:20,111 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:20,111 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:20,111 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:20,111 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:20,111 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:20,111 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:20,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration4_Lasso [2022-11-18 20:29:20,112 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:20,112 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:20,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,127 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 20:29:20,130 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 20:29:20,133 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 20:29:20,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,146 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 20:29:20,149 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:20,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:29:20,786 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:29:20,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:20,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:20,787 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:20,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:20,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:29:20,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:20,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:20,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:20,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:20,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:20,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:20,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:20,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:20,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:20,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:20,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:20,850 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:20,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:20,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:29:20,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:20,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:20,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:20,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:20,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:20,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:20,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:20,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:20,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:20,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:20,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:20,910 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:20,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:20,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:29:20,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:20,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:20,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:20,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:20,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:20,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:20,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:20,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:20,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:20,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:20,970 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:20,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:20,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:29:20,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:20,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:20,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:20,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:20,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:20,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:20,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:21,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,011 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 20:29:21,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:21,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,034 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:29:21,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-18 20:29:21,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,058 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:29:21,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-18 20:29:21,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,081 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 20:29:21,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-18 20:29:21,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,109 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 20:29:21,112 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 20:29:21,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-18 20:29:21,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,134 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 20:29:21,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-18 20:29:21,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,177 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 20:29:21,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-18 20:29:21,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,201 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 20:29:21,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-18 20:29:21,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,223 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 20:29:21,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-18 20:29:21,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,245 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 20:29:21,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:21,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:21,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:21,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:21,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,269 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 20:29:21,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:21,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:21,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:21,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,323 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-18 20:29:21,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:21,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:21,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-11-18 20:29:21,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,355 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 20:29:21,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:21,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:21,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:21,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,405 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-18 20:29:21,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:21,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:21,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-18 20:29:21,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,437 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-18 20:29:21,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:21,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,456 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-11-18 20:29:21,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,460 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-18 20:29:21,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:21,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:21,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-18 20:29:21,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,475 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 20:29:21,478 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 20:29:21,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:21,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:21,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:21,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:21,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:21,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:21,506 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:29:21,515 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 20:29:21,516 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-18 20:29:21,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:21,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,517 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 20:29:21,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:29:21,534 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:29:21,534 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:29:21,535 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2 + 1 Supporting invariants [] [2022-11-18 20:29:21,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-18 20:29:21,544 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-18 20:29:21,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:21,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:29:21,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:21,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:29:21,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:21,838 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 39 treesize of output 23 [2022-11-18 20:29:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:21,861 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 20:29:21,862 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:21,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 106 states and 124 transitions. Complement of second has 17 states. [2022-11-18 20:29:21,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:21,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2022-11-18 20:29:21,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 20 letters. Loop has 3 letters. [2022-11-18 20:29:21,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:21,983 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:29:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:29:22,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:22,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:29:22,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:22,297 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 39 treesize of output 23 [2022-11-18 20:29:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:22,318 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 20:29:22,318 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:22,444 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 106 states and 124 transitions. Complement of second has 17 states. [2022-11-18 20:29:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2022-11-18 20:29:22,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 20 letters. Loop has 3 letters. [2022-11-18 20:29:22,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:22,450 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:29:22,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:29:22,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:29:22,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:22,740 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 39 treesize of output 23 [2022-11-18 20:29:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:22,762 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 20:29:22,762 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:22,898 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 154 states and 179 transitions. Complement of second has 19 states. [2022-11-18 20:29:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2022-11-18 20:29:22,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 3 letters. [2022-11-18 20:29:22,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:22,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 23 letters. Loop has 3 letters. [2022-11-18 20:29:22,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:22,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 6 letters. [2022-11-18 20:29:22,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:22,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 179 transitions. [2022-11-18 20:29:22,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:29:22,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 110 states and 135 transitions. [2022-11-18 20:29:22,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2022-11-18 20:29:22,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2022-11-18 20:29:22,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 135 transitions. [2022-11-18 20:29:22,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:29:22,912 INFO L218 hiAutomatonCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-18 20:29:22,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 135 transitions. [2022-11-18 20:29:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 74. [2022-11-18 20:29:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.196078431372549) internal successors, (61), 54 states have internal predecessors, (61), 10 states have call successors, (10), 10 states have call predecessors, (10), 13 states have return successors, (16), 9 states have call predecessors, (16), 10 states have call successors, (16) [2022-11-18 20:29:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2022-11-18 20:29:22,923 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 87 transitions. [2022-11-18 20:29:22,923 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2022-11-18 20:29:22,923 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:29:22,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 87 transitions. [2022-11-18 20:29:22,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:29:22,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:22,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:22,926 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:22,926 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:22,927 INFO L748 eck$LassoCheckResult]: Stem: 1337#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1338#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1359#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1347#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1354#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1378#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1363#recFINAL assume true; 1357#recEXIT >#30#return; 1358#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 1344#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1345#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1353#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1387#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 1343#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1350#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1351#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1410#recFINAL assume true; 1355#recEXIT >#28#return; 1356#L15-1 #res := #t~ret5;havoc #t~ret5; 1388#recFINAL assume true; 1386#recEXIT >#30#return; 1360#L23-1 [2022-11-18 20:29:22,927 INFO L750 eck$LassoCheckResult]: Loop: 1360#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 1361#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1390#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1393#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1389#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1391#recFINAL assume true; 1394#recEXIT >#30#return; 1360#L23-1 [2022-11-18 20:29:22,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:22,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1572162950, now seen corresponding path program 4 times [2022-11-18 20:29:22,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:22,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827621967] [2022-11-18 20:29:22,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:22,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:22,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:22,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:22,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 3 times [2022-11-18 20:29:22,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:22,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643179330] [2022-11-18 20:29:22,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:22,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:22,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:22,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:22,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1341076915, now seen corresponding path program 5 times [2022-11-18 20:29:22,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:22,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011617739] [2022-11-18 20:29:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:22,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:23,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:23,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:25,029 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:25,029 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:25,029 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:25,029 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:25,030 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:25,030 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,030 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:25,030 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:25,030 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration5_Lasso [2022-11-18 20:29:25,030 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:25,030 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:25,033 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:25,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:25,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:25,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:25,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:25,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:25,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:25,619 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:29:25,619 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:29:25,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,621 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-18 20:29:25,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:25,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:25,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:25,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:25,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:25,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:25,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:25,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:25,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:25,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-18 20:29:25,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,643 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-18 20:29:25,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:25,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:25,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:25,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:25,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:25,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:25,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:25,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:25,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-18 20:29:25,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,670 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-18 20:29:25,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:25,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:25,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:25,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:25,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:25,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:25,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:25,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:25,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:25,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-18 20:29:25,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,695 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-18 20:29:25,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:25,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:25,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:25,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:25,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:25,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:25,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:25,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:25,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:25,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-18 20:29:25,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,719 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-18 20:29:25,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:25,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:25,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:25,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:25,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:25,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:25,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:25,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:25,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:25,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:25,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,742 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-18 20:29:25,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:25,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:25,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:25,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:25,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:25,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:25,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:25,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:25,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-18 20:29:25,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,785 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-18 20:29:25,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:25,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:25,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:25,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:25,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:25,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:25,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:25,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:25,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:25,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,820 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-18 20:29:25,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:25,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:25,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:25,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:25,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:25,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:25,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:25,860 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:29:25,880 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 20:29:25,881 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-18 20:29:25,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:25,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:25,883 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:25,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:29:25,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-18 20:29:25,924 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:29:25,924 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:29:25,924 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~ret9#1) = 1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_#t~ret9#1 Supporting invariants [] [2022-11-18 20:29:25,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:25,931 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-18 20:29:25,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:26,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:29:26,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:26,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:29:26,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:26,274 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 17 treesize of output 9 [2022-11-18 20:29:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:26,304 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2022-11-18 20:29:26,304 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:29:26,441 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 118 states and 139 transitions. Complement of second has 21 states. [2022-11-18 20:29:26,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:29:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2022-11-18 20:29:26,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-18 20:29:26,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:26,444 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:29:26,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:26,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:29:26,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:26,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:29:26,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:26,789 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 17 treesize of output 9 [2022-11-18 20:29:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:26,818 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 6 loop predicates [2022-11-18 20:29:26,819 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:29:26,949 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 118 states and 139 transitions. Complement of second has 21 states. [2022-11-18 20:29:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:29:26,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2022-11-18 20:29:26,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-18 20:29:26,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:26,958 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:29:26,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:27,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:29:27,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:27,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:27,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:29:27,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:27,336 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 17 treesize of output 9 [2022-11-18 20:29:27,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:27,363 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2022-11-18 20:29:27,364 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:29:27,503 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 143 states and 169 transitions. Complement of second has 22 states. [2022-11-18 20:29:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:29:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 28 transitions. [2022-11-18 20:29:27,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-18 20:29:27,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:27,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 28 letters. Loop has 7 letters. [2022-11-18 20:29:27,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:27,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 21 letters. Loop has 14 letters. [2022-11-18 20:29:27,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:27,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 169 transitions. [2022-11-18 20:29:27,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:29:27,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 94 states and 109 transitions. [2022-11-18 20:29:27,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2022-11-18 20:29:27,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2022-11-18 20:29:27,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 109 transitions. [2022-11-18 20:29:27,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:29:27,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 109 transitions. [2022-11-18 20:29:27,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 109 transitions. [2022-11-18 20:29:27,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 32. [2022-11-18 20:29:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-18 20:29:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-11-18 20:29:27,520 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-18 20:29:27,521 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-18 20:29:27,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:29:27,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2022-11-18 20:29:27,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:29:27,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:27,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:27,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:29:27,523 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:27,523 INFO L748 eck$LassoCheckResult]: Stem: 2158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 2180#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2170#L23 [2022-11-18 20:29:27,523 INFO L750 eck$LassoCheckResult]: Loop: 2170#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 2175#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 2184#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 2161#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 2172#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 2160#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 2162#recFINAL assume true; 2181#recEXIT >#28#return; 2186#L15-1 #res := #t~ret5;havoc #t~ret5; 2185#recFINAL assume true; 2183#recEXIT >#30#return; 2179#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 2169#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2170#L23 [2022-11-18 20:29:27,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:27,524 INFO L85 PathProgramCache]: Analyzing trace with hash 37808, now seen corresponding path program 1 times [2022-11-18 20:29:27,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:27,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668332124] [2022-11-18 20:29:27,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:27,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:27,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:27,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:27,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:27,555 INFO L85 PathProgramCache]: Analyzing trace with hash -669629144, now seen corresponding path program 1 times [2022-11-18 20:29:27,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:27,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284613842] [2022-11-18 20:29:27,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:27,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:27,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:27,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:27,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:27,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1720097319, now seen corresponding path program 6 times [2022-11-18 20:29:27,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:27,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685649007] [2022-11-18 20:29:27,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:27,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:27,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:27,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:28,657 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:28,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:28,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:28,657 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:28,657 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:28,658 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:28,658 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:28,658 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:28,658 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration6_Lasso [2022-11-18 20:29:28,658 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:28,658 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:28,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:28,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:28,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:28,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:28,676 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:28,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:28,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:28,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:29,057 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:29:29,057 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:29:29,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:29,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:29,063 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:29,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-18 20:29:29,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:29,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:29,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:29,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:29,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:29,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:29,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:29,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:29,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:29,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:29,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:29,117 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:29,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-18 20:29:29,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:29,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:29,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:29,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:29,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:29,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:29,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:29,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:29,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:29,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:29,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:29,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:29,161 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:29,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-18 20:29:29,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:29,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:29,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:29,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:29,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:29,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:29,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:29,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:29,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:29,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:29,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:29,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:29,182 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:29,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-18 20:29:29,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:29,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:29,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:29,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:29,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:29,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:29,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:29,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:29,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:29,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-18 20:29:29,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:29,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:29,203 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:29,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-18 20:29:29,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:29,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:29,219 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-18 20:29:29,219 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:29:29,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:29,225 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-18 20:29:29,225 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:29:29,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:29,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:29,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:29,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:29,251 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:29,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:29,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-18 20:29:29,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:29,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:29,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:29,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:29,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:29,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:29,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:29,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-18 20:29:29,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:29,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:29,293 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:29,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-18 20:29:29,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:29,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:29,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:29,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:29,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:29,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:29,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:29,323 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:29:29,333 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 20:29:29,333 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-18 20:29:29,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:29,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:29,334 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:29,337 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:29:29,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-18 20:29:29,350 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:29:29,350 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:29:29,351 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 20:29:29,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:29,357 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-18 20:29:29,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:29,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:29:29,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:29,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 20:29:29,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:29,461 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 17 treesize of output 9 [2022-11-18 20:29:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:29:29,556 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2022-11-18 20:29:29,556 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8 Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:29,642 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 69 states and 86 transitions. Complement of second has 22 states. [2022-11-18 20:29:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-11-18 20:29:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:29:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. [2022-11-18 20:29:29,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 3 letters. Loop has 13 letters. [2022-11-18 20:29:29,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:29,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 16 letters. Loop has 13 letters. [2022-11-18 20:29:29,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:29,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 3 letters. Loop has 26 letters. [2022-11-18 20:29:29,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:29,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 86 transitions. [2022-11-18 20:29:29,647 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:29:29,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 0 states and 0 transitions. [2022-11-18 20:29:29,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:29:29,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:29:29,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:29:29,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:29:29,648 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:29:29,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:29:29,648 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:29:29,648 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 20:29:29,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:29:29,648 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:29:29,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:29:29,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:29:29 BoogieIcfgContainer [2022-11-18 20:29:29,658 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:29:29,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:29:29,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:29:29,659 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:29:29,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:08" (3/4) ... [2022-11-18 20:29:29,662 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:29:29,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:29:29,663 INFO L158 Benchmark]: Toolchain (without parser) took 21729.65ms. Allocated memory was 107.0MB in the beginning and 220.2MB in the end (delta: 113.2MB). Free memory was 76.1MB in the beginning and 149.2MB in the end (delta: -73.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-11-18 20:29:29,664 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:29:29,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.04ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 66.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:29:29,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.71ms. Allocated memory is still 107.0MB. Free memory was 66.6MB in the beginning and 65.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:29:29,665 INFO L158 Benchmark]: Boogie Preprocessor took 38.71ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 64.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:29:29,665 INFO L158 Benchmark]: RCFGBuilder took 320.82ms. Allocated memory is still 107.0MB. Free memory was 64.0MB in the beginning and 54.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:29:29,666 INFO L158 Benchmark]: BuchiAutomizer took 21088.49ms. Allocated memory was 107.0MB in the beginning and 220.2MB in the end (delta: 113.2MB). Free memory was 54.1MB in the beginning and 150.2MB in the end (delta: -96.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-18 20:29:29,666 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 220.2MB. Free memory was 150.2MB in the beginning and 149.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:29:29,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.04ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 66.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.71ms. Allocated memory is still 107.0MB. Free memory was 66.6MB in the beginning and 65.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.71ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 64.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.82ms. Allocated memory is still 107.0MB. Free memory was 64.0MB in the beginning and 54.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 21088.49ms. Allocated memory was 107.0MB in the beginning and 220.2MB in the end (delta: 113.2MB). Free memory was 54.1MB in the beginning and 150.2MB in the end (delta: -96.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 220.2MB. Free memory was 150.2MB in the beginning and 149.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function i and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. One deterministic module has affine ranking function aux-rec(op)-aux + i and consists of 8 locations. One deterministic module has affine ranking function i and consists of 8 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function aux-rec(op)-aux + i and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.9s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 16.0s. Construction of modules took 0.5s. Büchi inclusion checks took 4.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 111 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 388 IncrementalHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 127 mSDtfsCounter, 388 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital168 mio100 ax100 hnf100 lsp95 ukn56 mio100 lsp33 div100 bol100 ite100 ukn100 eq165 hnf92 smp99 dnf125 smp91 tf101 neg93 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:29:29,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:29,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6041aab9-e50a-4d1a-b651-b5143428f9b0/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