./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3 --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 0c73140129db08253eb2666e014a272764010e16 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 263459 column 333: unknown constant v_ULTIMATE.start_diff_~j~0_67 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:08:04,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:08:04,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:08:04,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:08:04,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:08:04,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:08:04,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:08:04,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:08:04,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:08:04,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:08:04,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:08:04,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:08:04,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:08:04,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:08:04,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:08:04,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:08:04,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:08:04,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:08:04,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:08:04,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:08:04,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:08:04,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:08:04,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:08:04,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:08:04,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:08:04,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:08:04,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:08:04,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:08:04,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:08:04,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:08:04,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:08:04,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:08:04,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:08:04,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:08:04,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:08:04,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:08:04,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:08:04,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:08:04,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:08:04,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:08:04,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:08:04,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-15 20:08:05,024 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:08:05,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:08:05,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:08:05,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:08:05,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:08:05,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:08:05,027 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:08:05,027 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:08:05,028 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:08:05,028 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:08:05,028 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:08:05,028 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:08:05,029 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:08:05,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:08:05,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:08:05,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:08:05,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:08:05,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:08:05,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:08:05,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:08:05,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:08:05,031 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:08:05,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:08:05,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:08:05,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:08:05,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:08:05,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:08:05,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:08:05,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:08:05,035 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:08:05,035 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_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c73140129db08253eb2666e014a272764010e16 [2021-10-15 20:08:05,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:08:05,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:08:05,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:08:05,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:08:05,476 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:08:05,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2021-10-15 20:08:05,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/data/bb44a0d07/1e68bfb3d94a416fb041b5bfd2604ffe/FLAGc4a177043 [2021-10-15 20:08:06,352 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:08:06,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2021-10-15 20:08:06,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/data/bb44a0d07/1e68bfb3d94a416fb041b5bfd2604ffe/FLAGc4a177043 [2021-10-15 20:08:06,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/data/bb44a0d07/1e68bfb3d94a416fb041b5bfd2604ffe [2021-10-15 20:08:06,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:08:06,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:08:06,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:08:06,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:08:06,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:08:06,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:08:06" (1/1) ... [2021-10-15 20:08:06,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6736a6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:06, skipping insertion in model container [2021-10-15 20:08:06,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:08:06" (1/1) ... [2021-10-15 20:08:06,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:08:06,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:08:07,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:08:07,177 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:08:07,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:08:07,295 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:08:07,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07 WrapperNode [2021-10-15 20:08:07,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:08:07,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:08:07,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:08:07,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:08:07,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:08:07,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:08:07,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:08:07,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:08:07,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:08:07,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:08:07,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:08:07,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:08:07,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (1/1) ... [2021-10-15 20:08:07,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:07,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:07,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:07,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:08:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:08:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:08:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:08:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:08:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:08:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:08:07,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:08:07,847 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-15 20:08:07,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:08:07 BoogieIcfgContainer [2021-10-15 20:08:07,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:08:07,850 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:08:07,851 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:08:07,854 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:08:07,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:08:07,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:08:06" (1/3) ... [2021-10-15 20:08:07,858 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60d86740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:08:07, skipping insertion in model container [2021-10-15 20:08:07,858 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:08:07,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:07" (2/3) ... [2021-10-15 20:08:07,859 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60d86740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:08:07, skipping insertion in model container [2021-10-15 20:08:07,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:08:07,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:08:07" (3/3) ... [2021-10-15 20:08:07,861 INFO L389 chiAutomizerObserver]: Analyzing ICFG diff-alloca-1.i [2021-10-15 20:08:07,926 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:08:07,926 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:08:07,926 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:08:07,927 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:08:07,927 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:08:07,927 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:08:07,927 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:08:07,927 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:08:07,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:07,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-15 20:08:07,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:07,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:07,981 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 20:08:07,981 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:08:07,982 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 20:08:07,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:07,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-15 20:08:07,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:07,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:07,988 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 20:08:07,989 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:08:07,998 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 15#L574true assume !(main_~Alen~0 < 1); 9#L574-2true assume !(main_~Blen~0 < 1); 13#L577-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 14#L554-2true [2021-10-15 20:08:08,000 INFO L793 eck$LassoCheckResult]: Loop: 14#L554-2true assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 10#L558-2true assume !true; 6#L557-2true assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 7#L564-1true diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 14#L554-2true [2021-10-15 20:08:08,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:08,015 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-15 20:08:08,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:08,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882988711] [2021-10-15 20:08:08,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:08,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:08,194 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:08,271 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:08,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:08,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1679350, now seen corresponding path program 1 times [2021-10-15 20:08:08,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:08,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296379622] [2021-10-15 20:08:08,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:08,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:08,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:08:08,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296379622] [2021-10-15 20:08:08,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296379622] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:08:08,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:08:08,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 20:08:08,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808587314] [2021-10-15 20:08:08,401 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-15 20:08:08,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:08:08,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 20:08:08,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 20:08:08,439 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:08,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:08:08,448 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2021-10-15 20:08:08,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 20:08:08,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2021-10-15 20:08:08,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-15 20:08:08,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2021-10-15 20:08:08,461 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-15 20:08:08,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-15 20:08:08,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2021-10-15 20:08:08,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:08:08,463 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2021-10-15 20:08:08,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2021-10-15 20:08:08,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-15 20:08:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2021-10-15 20:08:08,495 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2021-10-15 20:08:08,495 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2021-10-15 20:08:08,495 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 20:08:08,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2021-10-15 20:08:08,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-15 20:08:08,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:08,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:08,498 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 20:08:08,499 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:08:08,499 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 37#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 45#L574 assume !(main_~Alen~0 < 1); 44#L574-2 assume !(main_~Blen~0 < 1); 43#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 42#L554-2 [2021-10-15 20:08:08,499 INFO L793 eck$LassoCheckResult]: Loop: 42#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 41#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 38#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 39#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 42#L554-2 [2021-10-15 20:08:08,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:08,500 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-10-15 20:08:08,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:08,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000970243] [2021-10-15 20:08:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:08,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:08,552 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:08,598 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:08,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:08,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1669740, now seen corresponding path program 1 times [2021-10-15 20:08:08,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:08,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916821490] [2021-10-15 20:08:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:08,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:08,628 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:08,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:08,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:08,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1298476337, now seen corresponding path program 1 times [2021-10-15 20:08:08,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:08,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594377599] [2021-10-15 20:08:08,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:08,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:08,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:08:08,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594377599] [2021-10-15 20:08:08,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594377599] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:08:08,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:08:08,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 20:08:08,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937242030] [2021-10-15 20:08:09,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:08:09,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:08:09,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:08:09,010 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:08:09,064 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. [2021-10-15 20:08:09,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:08:09,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2021-10-15 20:08:09,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-15 20:08:09,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 18 transitions. [2021-10-15 20:08:09,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-15 20:08:09,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-15 20:08:09,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2021-10-15 20:08:09,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:08:09,071 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2021-10-15 20:08:09,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2021-10-15 20:08:09,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-10-15 20:08:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2021-10-15 20:08:09,074 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-15 20:08:09,075 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-15 20:08:09,075 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 20:08:09,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2021-10-15 20:08:09,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-15 20:08:09,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:09,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:09,077 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 20:08:09,077 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-15 20:08:09,077 INFO L791 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 73#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 82#L574 assume !(main_~Alen~0 < 1); 81#L574-2 assume !(main_~Blen~0 < 1); 79#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 78#L554-2 [2021-10-15 20:08:09,078 INFO L793 eck$LassoCheckResult]: Loop: 78#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 80#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 74#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 75#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 76#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 77#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 78#L554-2 [2021-10-15 20:08:09,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:09,079 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 3 times [2021-10-15 20:08:09,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:09,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044186155] [2021-10-15 20:08:09,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:09,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:09,096 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:09,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:09,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:09,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1606183209, now seen corresponding path program 1 times [2021-10-15 20:08:09,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:09,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012538266] [2021-10-15 20:08:09,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:09,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:09,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:08:09,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012538266] [2021-10-15 20:08:09,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012538266] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:08:09,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:08:09,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-15 20:08:09,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132067790] [2021-10-15 20:08:09,154 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-15 20:08:09,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:08:09,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 20:08:09,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-15 20:08:09,159 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:09,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:08:09,205 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2021-10-15 20:08:09,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:08:09,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2021-10-15 20:08:09,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-15 20:08:09,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2021-10-15 20:08:09,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-15 20:08:09,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-15 20:08:09,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-10-15 20:08:09,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:08:09,212 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-15 20:08:09,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-10-15 20:08:09,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2021-10-15 20:08:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-10-15 20:08:09,217 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-15 20:08:09,217 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-15 20:08:09,218 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-15 20:08:09,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-10-15 20:08:09,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-15 20:08:09,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:09,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:09,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 20:08:09,221 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-15 20:08:09,221 INFO L791 eck$LassoCheckResult]: Stem: 109#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 110#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 120#L574 assume !(main_~Alen~0 < 1); 119#L574-2 assume !(main_~Blen~0 < 1); 117#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 116#L554-2 [2021-10-15 20:08:09,222 INFO L793 eck$LassoCheckResult]: Loop: 116#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 118#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 111#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 112#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 114#L557-2 assume !(0 == diff_~found~0); 115#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 116#L554-2 [2021-10-15 20:08:09,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:09,223 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 4 times [2021-10-15 20:08:09,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:09,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786254943] [2021-10-15 20:08:09,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:09,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:09,260 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:09,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:09,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:09,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1606183271, now seen corresponding path program 1 times [2021-10-15 20:08:09,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:09,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191927648] [2021-10-15 20:08:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:09,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:09,313 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:09,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:09,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:09,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1998160148, now seen corresponding path program 1 times [2021-10-15 20:08:09,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:09,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2360710] [2021-10-15 20:08:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:09,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:09,383 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:09,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:10,942 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:08:10,943 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:08:10,943 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:08:10,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:08:10,944 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:08:10,944 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:10,944 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:08:10,945 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:08:10,945 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration4_Lasso [2021-10-15 20:08:10,945 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:08:10,945 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:08:10,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:10,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:10,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:10,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:10,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:10,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:10,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:10,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:11,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:12,109 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:08:12,114 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:08:12,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 20:08:12,135 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 [2021-10-15 20:08:12,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:12,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:12,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:12,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 20:08:12,210 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 [2021-10-15 20:08:12,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:12,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:12,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:12,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,300 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 20:08:12,303 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 [2021-10-15 20:08:12,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:12,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:12,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,382 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:12,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 20:08:12,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:12,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:12,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,431 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,433 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 [2021-10-15 20:08:12,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 20:08:12,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:12,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:12,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,477 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 20:08:12,479 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 [2021-10-15 20:08:12,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:12,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:12,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:12,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 20:08:12,541 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 [2021-10-15 20:08:12,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:12,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:12,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 20:08:12,610 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 [2021-10-15 20:08:12,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:12,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:12,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:12,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,661 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 20:08:12,674 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 [2021-10-15 20:08:12,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:12,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:12,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:12,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,713 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 20:08:12,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:12,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:12,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:12,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,821 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 20:08:12,830 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 [2021-10-15 20:08:12,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:12,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:12,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-15 20:08:12,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,874 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 20:08:12,875 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 [2021-10-15 20:08:12,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:12,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:12,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:12,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:12,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:12,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,945 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,955 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 [2021-10-15 20:08:12,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 20:08:12,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:12,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:12,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:12,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:12,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:12,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:12,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:13,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:13,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:13,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:13,046 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:13,056 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 [2021-10-15 20:08:13,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:13,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:13,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:13,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:13,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:13,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:13,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:13,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 20:08:13,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:13,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:13,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:13,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:13,128 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:13,138 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 [2021-10-15 20:08:13,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:13,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:13,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:13,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:13,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 20:08:13,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:13,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:13,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:13,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:13,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:13,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:13,226 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:13,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 20:08:13,229 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 [2021-10-15 20:08:13,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:13,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:13,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:13,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:13,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:13,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:13,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:13,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:13,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:13,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:13,295 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:13,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 20:08:13,301 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 [2021-10-15 20:08:13,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:13,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:13,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:13,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:13,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:13,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:13,349 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:08:13,456 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-10-15 20:08:13,456 INFO L444 ModelExtractionUtils]: 11 out of 40 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-10-15 20:08:13,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:13,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:13,478 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:13,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 20:08:13,547 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:08:13,579 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 20:08:13,579 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:08:13,580 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~i~0, ULTIMATE.start_diff_~l1~0) = -1*ULTIMATE.start_diff_~i~0 + 1*ULTIMATE.start_diff_~l1~0 Supporting invariants [] [2021-10-15 20:08:13,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:13,680 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2021-10-15 20:08:13,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:13,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:08:13,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:13,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:08:13,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:13,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-15 20:08:13,841 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-15 20:08:13,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:13,885 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 30 transitions. Complement of second has 4 states. [2021-10-15 20:08:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-15 20:08:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-10-15 20:08:13,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-15 20:08:13,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:13,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2021-10-15 20:08:13,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:13,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 12 letters. [2021-10-15 20:08:13,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:13,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2021-10-15 20:08:13,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:13,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 24 transitions. [2021-10-15 20:08:13,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-15 20:08:13,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-15 20:08:13,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2021-10-15 20:08:13,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 20:08:13,896 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-15 20:08:13,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2021-10-15 20:08:13,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-10-15 20:08:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:13,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2021-10-15 20:08:13,901 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-10-15 20:08:13,901 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-10-15 20:08:13,901 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-15 20:08:13,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2021-10-15 20:08:13,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:13,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:13,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:13,903 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-15 20:08:13,903 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:08:13,903 INFO L791 eck$LassoCheckResult]: Stem: 256#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 257#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 270#L574 assume !(main_~Alen~0 < 1); 269#L574-2 assume !(main_~Blen~0 < 1); 265#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 266#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 259#L558-2 [2021-10-15 20:08:13,904 INFO L793 eck$LassoCheckResult]: Loop: 259#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 258#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 259#L558-2 [2021-10-15 20:08:13,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:13,904 INFO L82 PathProgramCache]: Analyzing trace with hash 889572242, now seen corresponding path program 1 times [2021-10-15 20:08:13,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:13,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195633860] [2021-10-15 20:08:13,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:13,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:13,916 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:13,927 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:13,928 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2021-10-15 20:08:13,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:13,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010317575] [2021-10-15 20:08:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:13,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:13,935 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:13,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash 180433719, now seen corresponding path program 1 times [2021-10-15 20:08:13,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:13,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21378374] [2021-10-15 20:08:13,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:13,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:13,965 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:13,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:14,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:15,116 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:08:15,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:08:15,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:08:15,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:08:15,116 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:08:15,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:15,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:08:15,116 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:08:15,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration5_Lasso [2021-10-15 20:08:15,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:08:15,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:08:15,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:15,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:16,239 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:08:16,239 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:08:16,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,246 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,255 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 [2021-10-15 20:08:16,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:16,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:16,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-15 20:08:16,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,319 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,328 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 [2021-10-15 20:08:16,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:16,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:16,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:16,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-15 20:08:16,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,378 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-15 20:08:16,379 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 [2021-10-15 20:08:16,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:16,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:16,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,446 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,454 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 [2021-10-15 20:08:16,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:16,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:16,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:16,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-15 20:08:16,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,513 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,515 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 [2021-10-15 20:08:16,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:16,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:16,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:16,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-15 20:08:16,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,574 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:16,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-15 20:08:16,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:16,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:16,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-15 20:08:16,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,609 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-15 20:08:16,611 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 [2021-10-15 20:08:16,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:16,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:16,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:16,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,682 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,690 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 [2021-10-15 20:08:16,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:16,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:16,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:16,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-15 20:08:16,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,756 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:16,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:16,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:16,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-15 20:08:16,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,830 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,833 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 [2021-10-15 20:08:16,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:16,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:16,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:16,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-15 20:08:16,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,890 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:16,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:16,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:16,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:16,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-15 20:08:16,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:16,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:16,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:16,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:16,950 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:16,953 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 [2021-10-15 20:08:16,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:16,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:16,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:16,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:16,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:16,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:16,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:16,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-15 20:08:16,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:17,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:17,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:17,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:17,018 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:17,021 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 [2021-10-15 20:08:17,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:17,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:17,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:17,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:17,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:17,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:17,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-15 20:08:17,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:17,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:17,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:17,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:17,085 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:17,090 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 [2021-10-15 20:08:17,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:17,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:17,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:17,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:17,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:17,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:17,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-15 20:08:17,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:17,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:17,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:17,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:17,165 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:17,167 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 [2021-10-15 20:08:17,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:17,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:17,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:17,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:17,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:17,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:17,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:17,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-15 20:08:17,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:17,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:17,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:17,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:17,226 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:17,229 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 [2021-10-15 20:08:17,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:17,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:17,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:17,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:17,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:17,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:17,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-15 20:08:17,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:17,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:17,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:17,295 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:17,298 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 [2021-10-15 20:08:17,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:17,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:17,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:17,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:17,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:17,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:17,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-15 20:08:17,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:08:17,454 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-10-15 20:08:17,455 INFO L444 ModelExtractionUtils]: 43 out of 67 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-10-15 20:08:17,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:17,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:17,456 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:17,462 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:08:17,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-15 20:08:17,494 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-15 20:08:17,494 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:08:17,494 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0, v_rep(select #length ULTIMATE.start_diff_~B.base)_2) = -4*ULTIMATE.start_diff_~j~0 + 1*v_rep(select #length ULTIMATE.start_diff_~B.base)_2 Supporting invariants [1*ULTIMATE.start_diff_~B.offset >= 0] [2021-10-15 20:08:17,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:17,587 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-10-15 20:08:17,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:17,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:08:17,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:17,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-15 20:08:17,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:17,703 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-15 20:08:17,703 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:17,756 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 53 transitions. Complement of second has 8 states. [2021-10-15 20:08:17,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 20:08:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-15 20:08:17,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-15 20:08:17,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:17,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-15 20:08:17,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:17,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-15 20:08:17,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:17,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2021-10-15 20:08:17,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:17,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 39 transitions. [2021-10-15 20:08:17,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-15 20:08:17,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-15 20:08:17,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 39 transitions. [2021-10-15 20:08:17,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 20:08:17,769 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 39 transitions. [2021-10-15 20:08:17,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 39 transitions. [2021-10-15 20:08:17,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2021-10-15 20:08:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:17,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-10-15 20:08:17,781 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-15 20:08:17,781 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-15 20:08:17,782 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-15 20:08:17,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-10-15 20:08:17,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:17,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:17,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:17,783 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:08:17,784 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:08:17,785 INFO L791 eck$LassoCheckResult]: Stem: 429#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 430#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 444#L574 assume !(main_~Alen~0 < 1); 443#L574-2 assume !(main_~Blen~0 < 1); 438#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 439#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 440#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 448#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 442#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 435#L557-2 assume !(0 == diff_~found~0); 436#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 437#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 432#L558-2 [2021-10-15 20:08:17,785 INFO L793 eck$LassoCheckResult]: Loop: 432#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 431#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 432#L558-2 [2021-10-15 20:08:17,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:17,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1813422420, now seen corresponding path program 2 times [2021-10-15 20:08:17,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:17,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978011064] [2021-10-15 20:08:17,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:17,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:17,821 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:17,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:17,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:17,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2021-10-15 20:08:17,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:17,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336524851] [2021-10-15 20:08:17,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:17,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:17,872 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:17,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:17,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:17,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1057777617, now seen corresponding path program 1 times [2021-10-15 20:08:17,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:17,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223301635] [2021-10-15 20:08:17,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:17,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:17,922 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:17,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:18,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:19,451 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:08:19,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:08:19,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:08:19,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:08:19,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:08:19,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:19,452 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:08:19,452 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:08:19,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration6_Lasso [2021-10-15 20:08:19,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:08:19,452 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:08:19,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:19,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:20,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:20,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:20,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:20,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:20,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:20,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:20,821 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:08:20,821 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:08:20,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:20,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:20,833 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:20,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-15 20:08:20,835 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 [2021-10-15 20:08:20,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:20,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:20,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:20,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:20,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:20,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:20,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:20,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:20,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:20,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:20,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:20,905 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:20,908 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 [2021-10-15 20:08:20,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:20,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-15 20:08:20,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:20,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:20,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:20,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:20,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:20,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:20,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:20,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:20,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:20,984 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:20,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:21,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:21,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:21,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-15 20:08:21,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:21,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,065 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,072 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 [2021-10-15 20:08:21,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:21,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:21,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:21,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-15 20:08:21,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-15 20:08:21,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,129 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,131 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 [2021-10-15 20:08:21,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-15 20:08:21,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:21,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:21,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:21,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:21,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,199 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-15 20:08:21,202 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 [2021-10-15 20:08:21,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:21,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:21,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:21,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,280 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,287 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 [2021-10-15 20:08:21,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:21,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:21,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-15 20:08:21,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:21,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,363 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,366 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 [2021-10-15 20:08:21,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:21,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:21,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:21,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-15 20:08:21,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:21,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,442 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,445 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 [2021-10-15 20:08:21,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:21,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:21,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:21,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-15 20:08:21,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-15 20:08:21,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,485 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-15 20:08:21,487 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 [2021-10-15 20:08:21,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:21,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:21,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-15 20:08:21,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,554 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,559 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 [2021-10-15 20:08:21,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-15 20:08:21,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:21,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:21,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-15 20:08:21,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,610 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,612 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 [2021-10-15 20:08:21,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-15 20:08:21,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,622 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-15 20:08:21,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,627 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-15 20:08:21,628 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-15 20:08:21,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:21,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:21,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,691 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,693 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 [2021-10-15 20:08:21,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-15 20:08:21,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:21,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:21,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:21,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:21,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:21,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:21,770 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:08:21,847 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2021-10-15 20:08:21,848 INFO L444 ModelExtractionUtils]: 16 out of 73 variables were initially zero. Simplification set additionally 54 variables to zero. [2021-10-15 20:08:21,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:21,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:21,849 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:21,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-15 20:08:21,851 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:08:21,863 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 20:08:21,863 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:08:21,863 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3, ULTIMATE.start_diff_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3 - 2*ULTIMATE.start_diff_~j~0 Supporting invariants [] [2021-10-15 20:08:21,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-15 20:08:21,947 INFO L297 tatePredicateManager]: 16 out of 18 supporting invariants were superfluous and have been removed [2021-10-15 20:08:21,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:22,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-15 20:08:22,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:22,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-15 20:08:22,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:22,324 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-15 20:08:22,324 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:22,358 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 29 transitions. Complement of second has 4 states. [2021-10-15 20:08:22,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-15 20:08:22,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-15 20:08:22,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-15 20:08:22,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:22,361 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-15 20:08:22,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:22,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-15 20:08:22,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:22,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-15 20:08:22,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:22,856 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2021-10-15 20:08:22,856 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:22,896 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 29 transitions. Complement of second has 4 states. [2021-10-15 20:08:22,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-15 20:08:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-15 20:08:22,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-15 20:08:22,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:22,898 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-15 20:08:22,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:22,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-15 20:08:22,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:23,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-15 20:08:23,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:23,245 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-15 20:08:23,245 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:23,332 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 62 transitions. Complement of second has 10 states. [2021-10-15 20:08:23,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-15 20:08:23,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 42 transitions. [2021-10-15 20:08:23,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-15 20:08:23,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:23,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 14 letters. Loop has 2 letters. [2021-10-15 20:08:23,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:23,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 12 letters. Loop has 4 letters. [2021-10-15 20:08:23,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:23,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 62 transitions. [2021-10-15 20:08:23,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:23,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 36 states and 50 transitions. [2021-10-15 20:08:23,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-15 20:08:23,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-15 20:08:23,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 50 transitions. [2021-10-15 20:08:23,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 20:08:23,340 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-10-15 20:08:23,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 50 transitions. [2021-10-15 20:08:23,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2021-10-15 20:08:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2021-10-15 20:08:23,345 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2021-10-15 20:08:23,345 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2021-10-15 20:08:23,345 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-15 20:08:23,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 42 transitions. [2021-10-15 20:08:23,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:23,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:23,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:23,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-15 20:08:23,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:08:23,348 INFO L791 eck$LassoCheckResult]: Stem: 792#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 793#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 808#L574 assume !(main_~Alen~0 < 1); 807#L574-2 assume !(main_~Blen~0 < 1); 801#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 802#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 803#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 814#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 816#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 812#L557-2 assume !(0 == diff_~found~0); 810#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 804#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 805#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 819#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 806#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 794#L557-2 assume !(0 == diff_~found~0); 795#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 800#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 797#L558-2 [2021-10-15 20:08:23,348 INFO L793 eck$LassoCheckResult]: Loop: 797#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 796#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 797#L558-2 [2021-10-15 20:08:23,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:23,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1879787962, now seen corresponding path program 3 times [2021-10-15 20:08:23,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:23,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313541758] [2021-10-15 20:08:23,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:23,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:23,397 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:23,433 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:23,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:23,439 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 3 times [2021-10-15 20:08:23,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:23,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811769952] [2021-10-15 20:08:23,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:23,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:23,448 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:23,453 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:23,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:23,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1705001195, now seen corresponding path program 2 times [2021-10-15 20:08:23,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:23,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466839997] [2021-10-15 20:08:23,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:23,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:23,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:23,495 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:23,531 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:25,022 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:08:25,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:08:25,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:08:25,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:08:25,022 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:08:25,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:25,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:08:25,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:08:25,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration7_Lasso [2021-10-15 20:08:25,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:08:25,023 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:08:25,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:25,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:08:26,127 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:08:26,128 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:08:26,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,130 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-15 20:08:26,132 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 [2021-10-15 20:08:26,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-15 20:08:26,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,170 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-15 20:08:26,171 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 [2021-10-15 20:08:26,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,212 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-15 20:08:26,214 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 [2021-10-15 20:08:26,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:26,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:26,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:26,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-15 20:08:26,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,250 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,251 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 [2021-10-15 20:08:26,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-15 20:08:26,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,335 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,338 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 [2021-10-15 20:08:26,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-15 20:08:26,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,396 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-15 20:08:26,398 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 [2021-10-15 20:08:26,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:26,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:26,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:26,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-15 20:08:26,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,433 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-15 20:08:26,434 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 [2021-10-15 20:08:26,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:26,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:26,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:26,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-15 20:08:26,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,467 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-15 20:08:26,468 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 [2021-10-15 20:08:26,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:26,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:26,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:26,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,501 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-15 20:08:26,504 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 [2021-10-15 20:08:26,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,543 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-15 20:08:26,545 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 [2021-10-15 20:08:26,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:26,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:26,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:26,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-15 20:08:26,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,585 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-15 20:08:26,586 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 [2021-10-15 20:08:26,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,623 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-15 20:08:26,624 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 [2021-10-15 20:08:26,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-15 20:08:26,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,663 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-15 20:08:26,664 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 [2021-10-15 20:08:26,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:26,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:26,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:26,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-15 20:08:26,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,699 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-15 20:08:26,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:26,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:26,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:26,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:26,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-15 20:08:26,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,737 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-15 20:08:26,763 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 [2021-10-15 20:08:26,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:08:26,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:08:26,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:08:26,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-15 20:08:26,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,801 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-15 20:08:26,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:26,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-15 20:08:26,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,844 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-15 20:08:26,845 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 [2021-10-15 20:08:26,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,897 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-15 20:08:26,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:08:26,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,939 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:26,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-15 20:08:26,950 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 [2021-10-15 20:08:26,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:26,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:26,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:26,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:26,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:26,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:26,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:26,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:26,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:26,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:26,986 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:27,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-15 20:08:27,022 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 [2021-10-15 20:08:27,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:27,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:27,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:27,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:27,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:27,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:27,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:27,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-15 20:08:27,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:27,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:27,064 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:27,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-15 20:08:27,066 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 [2021-10-15 20:08:27,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:27,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:27,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:27,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:27,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:27,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:27,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:08:27,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-15 20:08:27,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:27,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:27,103 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:27,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-15 20:08:27,106 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 [2021-10-15 20:08:27,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:08:27,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:08:27,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:08:27,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:08:27,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:08:27,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:08:27,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:08:27,288 INFO L443 ModelExtractionUtils]: Simplification made 32 calls to the SMT solver. [2021-10-15 20:08:27,288 INFO L444 ModelExtractionUtils]: 18 out of 67 variables were initially zero. Simplification set additionally 44 variables to zero. [2021-10-15 20:08:27,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:08:27,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:27,293 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:27,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-15 20:08:27,296 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:08:27,305 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-15 20:08:27,306 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:08:27,306 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_4, ULTIMATE.start_diff_~j~0) = 3*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_4 - 4*ULTIMATE.start_diff_~j~0 Supporting invariants [-2*ULTIMATE.start_diff_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_4 >= 0] [2021-10-15 20:08:27,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:27,417 INFO L297 tatePredicateManager]: 19 out of 22 supporting invariants were superfluous and have been removed [2021-10-15 20:08:27,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:27,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-15 20:08:27,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:28,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-15 20:08:28,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:28,070 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-15 20:08:28,070 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 17 Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:28,107 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 17. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 42 transitions. Complement of second has 4 states. [2021-10-15 20:08:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-15 20:08:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:28,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-15 20:08:28,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 18 letters. Loop has 2 letters. [2021-10-15 20:08:28,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:28,109 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-15 20:08:28,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:28,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-15 20:08:28,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:28,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-15 20:08:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:28,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-15 20:08:28,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:28,790 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-15 20:08:28,790 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 17 Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:28,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 17. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 42 transitions. Complement of second has 4 states. [2021-10-15 20:08:28,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-15 20:08:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-15 20:08:28,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 18 letters. Loop has 2 letters. [2021-10-15 20:08:28,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:28,831 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-15 20:08:28,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:28,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-15 20:08:28,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:29,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-15 20:08:29,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:08:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:08:29,421 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-15 20:08:29,421 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 17 Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:29,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 17. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 86 transitions. Complement of second has 17 states. [2021-10-15 20:08:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-15 20:08:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 52 transitions. [2021-10-15 20:08:29,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 52 transitions. Stem has 18 letters. Loop has 2 letters. [2021-10-15 20:08:29,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:29,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 52 transitions. Stem has 20 letters. Loop has 2 letters. [2021-10-15 20:08:29,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:29,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 52 transitions. Stem has 18 letters. Loop has 4 letters. [2021-10-15 20:08:29,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:08:29,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 86 transitions. [2021-10-15 20:08:29,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:29,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 46 states and 64 transitions. [2021-10-15 20:08:29,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-15 20:08:29,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-15 20:08:29,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 64 transitions. [2021-10-15 20:08:29,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 20:08:29,586 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 64 transitions. [2021-10-15 20:08:29,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 64 transitions. [2021-10-15 20:08:29,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2021-10-15 20:08:29,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 37 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 55 transitions. [2021-10-15 20:08:29,590 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 55 transitions. [2021-10-15 20:08:29,590 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 55 transitions. [2021-10-15 20:08:29,590 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-15 20:08:29,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 55 transitions. [2021-10-15 20:08:29,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:29,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:29,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:29,592 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2021-10-15 20:08:29,592 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:08:29,593 INFO L791 eck$LassoCheckResult]: Stem: 1287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1288#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 1303#L574 assume !(main_~Alen~0 < 1); 1302#L574-2 assume !(main_~Blen~0 < 1); 1297#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 1298#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1299#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1320#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 1322#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1318#L557-2 assume !(0 == diff_~found~0); 1295#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1296#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1300#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1301#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1324#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1323#L557-2 assume !(0 == diff_~found~0); 1290#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1316#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1315#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1312#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1313#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1307#L557-2 assume !(0 == diff_~found~0); 1306#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1304#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1292#L558-2 [2021-10-15 20:08:29,593 INFO L793 eck$LassoCheckResult]: Loop: 1292#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1291#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1292#L558-2 [2021-10-15 20:08:29,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:29,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1380452068, now seen corresponding path program 3 times [2021-10-15 20:08:29,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:29,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489311942] [2021-10-15 20:08:29,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:29,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:08:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-15 20:08:29,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:08:29,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489311942] [2021-10-15 20:08:29,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489311942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:08:29,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:08:29,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:08:29,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340618908] [2021-10-15 20:08:29,624 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:08:29,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:29,625 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 4 times [2021-10-15 20:08:29,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:29,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967140593] [2021-10-15 20:08:29,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:29,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:29,633 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:29,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:29,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:08:29,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:08:29,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:08:29,725 INFO L87 Difference]: Start difference. First operand 38 states and 55 transitions. cyclomatic complexity: 22 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:29,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:08:29,740 INFO L93 Difference]: Finished difference Result 44 states and 59 transitions. [2021-10-15 20:08:29,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:08:29,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 59 transitions. [2021-10-15 20:08:29,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:29,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 44 states and 59 transitions. [2021-10-15 20:08:29,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-15 20:08:29,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-15 20:08:29,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 59 transitions. [2021-10-15 20:08:29,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 20:08:29,750 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 59 transitions. [2021-10-15 20:08:29,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 59 transitions. [2021-10-15 20:08:29,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2021-10-15 20:08:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.368421052631579) internal successors, (52), 37 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:08:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-10-15 20:08:29,759 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-10-15 20:08:29,759 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-10-15 20:08:29,759 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-15 20:08:29,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 52 transitions. [2021-10-15 20:08:29,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:08:29,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:08:29,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:08:29,762 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:08:29,762 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:08:29,763 INFO L791 eck$LassoCheckResult]: Stem: 1375#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1376#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 1390#L574 assume !(main_~Alen~0 < 1); 1389#L574-2 assume !(main_~Blen~0 < 1); 1384#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 1385#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1386#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1379#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 1380#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1381#L557-2 assume !(0 == diff_~found~0); 1382#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1383#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1387#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1408#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1407#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1405#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 1404#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1403#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1402#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1399#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 1398#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1395#L557-2 assume !(0 == diff_~found~0); 1393#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1391#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1378#L558-2 [2021-10-15 20:08:29,764 INFO L793 eck$LassoCheckResult]: Loop: 1378#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1377#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1378#L558-2 [2021-10-15 20:08:29,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:29,764 INFO L82 PathProgramCache]: Analyzing trace with hash 698546656, now seen corresponding path program 1 times [2021-10-15 20:08:29,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:29,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366911688] [2021-10-15 20:08:29,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:29,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:29,789 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:29,820 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:29,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:29,821 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 5 times [2021-10-15 20:08:29,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:29,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430549759] [2021-10-15 20:08:29,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:29,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:29,829 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:29,834 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:29,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:08:29,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1288439301, now seen corresponding path program 2 times [2021-10-15 20:08:29,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:08:29,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39274327] [2021-10-15 20:08:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:08:29,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:08:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:29,865 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:08:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:08:29,910 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:08:31,798 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 263459 column 333: unknown constant v_ULTIMATE.start_diff_~j~0_67 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:256) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.checkForFixpoint(FixpointCheck.java:100) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.(FixpointCheck.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-15 20:08:31,801 INFO L168 Benchmark]: Toolchain (without parser) took 25149.12 ms. Allocated memory was 90.2 MB in the beginning and 195.0 MB in the end (delta: 104.9 MB). Free memory was 50.6 MB in the beginning and 117.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 132.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:31,801 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:08:31,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.21 ms. Allocated memory is still 90.2 MB. Free memory was 50.4 MB in the beginning and 60.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:31,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.81 ms. Allocated memory is still 90.2 MB. Free memory was 60.5 MB in the beginning and 58.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:31,803 INFO L168 Benchmark]: Boogie Preprocessor took 57.17 ms. Allocated memory is still 90.2 MB. Free memory was 58.5 MB in the beginning and 57.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:08:31,803 INFO L168 Benchmark]: RCFGBuilder took 431.07 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 46.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:31,804 INFO L168 Benchmark]: BuchiAutomizer took 23949.42 ms. Allocated memory was 90.2 MB in the beginning and 195.0 MB in the end (delta: 104.9 MB). Free memory was 46.3 MB in the beginning and 117.3 MB in the end (delta: -71.0 MB). Peak memory consumption was 130.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:31,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 643.21 ms. Allocated memory is still 90.2 MB. Free memory was 50.4 MB in the beginning and 60.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.81 ms. Allocated memory is still 90.2 MB. Free memory was 60.5 MB in the beginning and 58.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.17 ms. Allocated memory is still 90.2 MB. Free memory was 58.5 MB in the beginning and 57.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 431.07 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 46.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 23949.42 ms. Allocated memory was 90.2 MB in the beginning and 195.0 MB in the end (delta: 104.9 MB). Free memory was 46.3 MB in the beginning and 117.3 MB in the end (delta: -71.0 MB). Peak memory consumption was 130.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: line 263459 column 333: unknown constant v_ULTIMATE.start_diff_~j~0_67 de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: line 263459 column 333: unknown constant v_ULTIMATE.start_diff_~j~0_67: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 20:08:31,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daa522e1-b6ce-42f9-8653-ae0f215ff617/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 1 Received shutdown request...