./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt --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 a25db066a60bbc1bb3542b52091e202af08e4b7e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:11:54,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:11:54,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:11:55,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:11:55,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:11:55,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:11:55,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:11:55,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:11:55,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:11:55,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:11:55,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:11:55,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:11:55,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:11:55,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:11:55,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:11:55,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:11:55,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:11:55,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:11:55,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:11:55,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:11:55,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:11:55,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:11:55,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:11:55,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:11:55,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:11:55,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:11:55,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:11:55,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:11:55,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:11:55,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:11:55,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:11:55,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:11:55,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:11:55,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:11:55,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:11:55,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:11:55,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:11:55,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:11:55,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:11:55,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:11:55,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:11:55,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:11:55,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:11:55,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:11:55,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:11:55,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:11:55,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:11:55,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:11:55,188 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:11:55,189 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:11:55,189 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:11:55,189 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:11:55,190 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:11:55,190 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:11:55,190 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:11:55,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:11:55,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:11:55,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:11:55,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:11:55,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:11:55,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:11:55,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:11:55,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:11:55,192 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:11:55,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:11:55,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:11:55,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:11:55,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:11:55,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:11:55,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:11:55,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:11:55,195 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:11:55,196 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_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a25db066a60bbc1bb3542b52091e202af08e4b7e [2021-10-13 01:11:55,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:11:55,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:11:55,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:11:55,534 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:11:55,535 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:11:55,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca-1.i [2021-10-13 01:11:55,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/data/089b0c22e/f0acd5606a064ddebaf084cbf3f8a267/FLAGe6eab4389 [2021-10-13 01:11:56,284 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:11:56,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca-1.i [2021-10-13 01:11:56,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/data/089b0c22e/f0acd5606a064ddebaf084cbf3f8a267/FLAGe6eab4389 [2021-10-13 01:11:56,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/data/089b0c22e/f0acd5606a064ddebaf084cbf3f8a267 [2021-10-13 01:11:56,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:11:56,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:11:56,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:11:56,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:11:56,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:11:56,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:11:56" (1/1) ... [2021-10-13 01:11:56,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4536637e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:56, skipping insertion in model container [2021-10-13 01:11:56,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:11:56" (1/1) ... [2021-10-13 01:11:56,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:11:56,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:11:57,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:11:57,194 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:11:57,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:11:57,279 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:11:57,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57 WrapperNode [2021-10-13 01:11:57,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:11:57,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:11:57,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:11:57,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:11:57,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:11:57,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:11:57,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:11:57,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:11:57,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:11:57,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:11:57,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:11:57,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:11:57,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (1/1) ... [2021-10-13 01:11:57,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:11:57,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:11:57,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:11:57,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:11:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:11:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:11:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:11:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:11:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:11:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:11:57,817 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:11:57,817 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 01:11:57,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:57 BoogieIcfgContainer [2021-10-13 01:11:57,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:11:57,821 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:11:57,821 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:11:57,825 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:11:57,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:11:57,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:11:56" (1/3) ... [2021-10-13 01:11:57,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15202aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:11:57, skipping insertion in model container [2021-10-13 01:11:57,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:11:57,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:57" (2/3) ... [2021-10-13 01:11:57,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15202aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:11:57, skipping insertion in model container [2021-10-13 01:11:57,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:11:57,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:57" (3/3) ... [2021-10-13 01:11:57,848 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcmp-alloca-1.i [2021-10-13 01:11:57,921 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:11:57,922 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:11:57,922 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:11:57,922 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:11:57,922 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:11:57,922 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:11:57,922 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:11:57,922 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:11:57,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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) [2021-10-13 01:11:57,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:11:57,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:11:57,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:11:57,970 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:11:57,970 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:11:57,970 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:11:57,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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) [2021-10-13 01:11:57,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:11:57,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:11:57,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:11:57,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:11:57,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:11:57,990 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 13#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 5#L561true assume !(main_~length1~0 < 1); 11#L561-2true assume !(main_~length2~0 < 1); 9#L564-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 6#L550-5true [2021-10-13 01:11:57,990 INFO L793 eck$LassoCheckResult]: Loop: 6#L550-5true call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 15#L550-1true assume cstrcmp_#t~short5;call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem4 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short5 := cstrcmp_#t~mem3 == cstrcmp_#t~mem4; 12#L550-3true assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 6#L550-5true [2021-10-13 01:11:57,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:57,999 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-13 01:11:58,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:58,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198714199] [2021-10-13 01:11:58,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:58,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:58,170 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:11:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:58,272 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:11:58,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:58,277 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2021-10-13 01:11:58,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:58,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579910223] [2021-10-13 01:11:58,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:58,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:58,314 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:11:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:58,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:11:58,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:58,334 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2021-10-13 01:11:58,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:58,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596175579] [2021-10-13 01:11:58,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:58,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:58,383 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:11:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:58,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:11:59,655 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:11:59,656 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:11:59,656 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:11:59,656 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:11:59,656 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:11:59,657 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:11:59,657 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:11:59,657 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:11:59,657 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp-alloca-1.i_Iteration1_Lasso [2021-10-13 01:11:59,658 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:11:59,658 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:11:59,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:11:59,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:12:00,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:12:00,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:12:00,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:12:01,004 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:12:01,011 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:12:01,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:12:01,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:12:01,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:12:01,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:12:01,303 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 [2021-10-13 01:12:01,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:01,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:01,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:12:01,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,511 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:12:01,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,559 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:12:01,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:01,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:01,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-13 01:12:01,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,632 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:12:01,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:01,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:01,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,702 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:12:01,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,765 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:12:01,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,813 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:12:01,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,892 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:12:01,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-13 01:12:01,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,939 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:12:01,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:01,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:01,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:01,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:01,979 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:01,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:12:01,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:01,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:01,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:01,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:01,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:01,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:01,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:01,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:01,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-13 01:12:02,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,018 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:12:02,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:02,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:02,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:02,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,061 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:12:02,066 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 [2021-10-13 01:12:02,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:02,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:02,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:02,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,124 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:12:02,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:02,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:02,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:02,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,169 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:12:02,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:02,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:02,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,254 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:02,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:02,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:02,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:12:02,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,350 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:02,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:12:02,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:02,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:12:02,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,438 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:12:02,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:02,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:02,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-13 01:12:02,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,511 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:12:02,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:02,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:02,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,602 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:02,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:02,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:12:02,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,680 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:12:02,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:02,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:02,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,781 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:12:02,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,796 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:12:02,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,798 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 01:12:02,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:12:02,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:12:02,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:02,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,858 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:02,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:02,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:12:02,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:12:02,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 01:12:02,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:02,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:02,907 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:02,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:12:02,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:12:02,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:12:02,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:12:02,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:12:02,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:12:02,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:12:02,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:12:02,976 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:12:03,031 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-13 01:12:03,031 INFO L444 ModelExtractionUtils]: 26 out of 46 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-13 01:12:03,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:12:03,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:12:03,063 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:12:03,116 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:12:03,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:12:03,141 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:12:03,141 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:12:03,142 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcmp_~s2.base)_1, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcmp_~s2.base)_1 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2021-10-13 01:12:03,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:03,285 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-10-13 01:12:03,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:12:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:12:03,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-13 01:12:03,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:12:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:12:03,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:12:03,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:12:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:12:03,504 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 [2021-10-13 01:12:03,506 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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) 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) [2021-10-13 01:12:03,594 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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). 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 39 states and 52 transitions. Complement of second has 7 states. [2021-10-13 01:12:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:12:03,597 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) [2021-10-13 01:12:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-13 01:12:03,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-13 01:12:03,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:12:03,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-13 01:12:03,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:12:03,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-13 01:12:03,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:12:03,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 52 transitions. [2021-10-13 01:12:03,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:12:03,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 20 transitions. [2021-10-13 01:12:03,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-13 01:12:03,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 01:12:03,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-10-13 01:12:03,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:12:03,622 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-13 01:12:03,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-10-13 01:12:03,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-13 01:12:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:12:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-10-13 01:12:03,653 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 01:12:03,653 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 01:12:03,654 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:12:03,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-10-13 01:12:03,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:12:03,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:12:03,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:12:03,657 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:12:03,657 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:12:03,658 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 179#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 180#L561 assume !(main_~length1~0 < 1); 181#L561-2 assume !(main_~length2~0 < 1); 182#L564-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 183#L550-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 175#L550-1 [2021-10-13 01:12:03,658 INFO L793 eck$LassoCheckResult]: Loop: 175#L550-1 assume !cstrcmp_#t~short5; 184#L550-3 assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 174#L550-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 175#L550-1 [2021-10-13 01:12:03,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:12:03,659 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2021-10-13 01:12:03,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:12:03,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012653687] [2021-10-13 01:12:03,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:12:03,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:12:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:12:03,721 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:12:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:12:03,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:12:03,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:12:03,749 INFO L82 PathProgramCache]: Analyzing trace with hash 54797, now seen corresponding path program 1 times [2021-10-13 01:12:03,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:12:03,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353837155] [2021-10-13 01:12:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:12:03,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:12:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:12:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:12:03,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:12:03,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353837155] [2021-10-13 01:12:03,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353837155] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:12:03,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:12:03,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:12:03,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405858372] [2021-10-13 01:12:03,807 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:12:03,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:12:03,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:12:03,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:12:03,813 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 01:12:03,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:12:03,829 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-10-13 01:12:03,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:12:03,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-10-13 01:12:03,830 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:12:03,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-13 01:12:03,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:12:03,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:12:03,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:12:03,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:12:03,831 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:12:03,831 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:12:03,831 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:12:03,831 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:12:03,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:12:03,832 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:12:03,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:12:03,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:12:03 BoogieIcfgContainer [2021-10-13 01:12:03,837 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:12:03,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:12:03,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:12:03,837 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:12:03,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:57" (3/4) ... [2021-10-13 01:12:03,841 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:12:03,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:12:03,843 INFO L168 Benchmark]: Toolchain (without parser) took 7260.67 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 66.5 MB in the beginning and 72.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:12:03,843 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 100.7 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:12:03,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.25 ms. Allocated memory is still 100.7 MB. Free memory was 66.3 MB in the beginning and 71.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:12:03,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.84 ms. Allocated memory is still 100.7 MB. Free memory was 70.9 MB in the beginning and 69.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:12:03,846 INFO L168 Benchmark]: Boogie Preprocessor took 28.81 ms. Allocated memory is still 100.7 MB. Free memory was 69.2 MB in the beginning and 68.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:12:03,846 INFO L168 Benchmark]: RCFGBuilder took 412.78 ms. Allocated memory is still 100.7 MB. Free memory was 68.1 MB in the beginning and 57.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:12:03,847 INFO L168 Benchmark]: BuchiAutomizer took 6015.88 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 57.3 MB in the beginning and 72.8 MB in the end (delta: -15.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:12:03,848 INFO L168 Benchmark]: Witness Printer took 4.04 ms. Allocated memory is still 132.1 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:12:03,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 100.7 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 696.25 ms. Allocated memory is still 100.7 MB. Free memory was 66.3 MB in the beginning and 71.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.84 ms. Allocated memory is still 100.7 MB. Free memory was 70.9 MB in the beginning and 69.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.81 ms. Allocated memory is still 100.7 MB. Free memory was 69.2 MB in the beginning and 68.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 412.78 ms. Allocated memory is still 100.7 MB. Free memory was 68.1 MB in the beginning and 57.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6015.88 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 57.3 MB in the beginning and 72.8 MB in the end (delta: -15.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.04 ms. Allocated memory is still 132.1 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[s2] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 14.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 26 SDtfs, 17 SDslu, 16 SDs, 0 SdLazy, 14 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax108 hnf100 lsp89 ukn86 mio100 lsp48 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:12:03,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 01:12:04,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb011c33-b153-4406-b730-a6d6fd20d438/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...