./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.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_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/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_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/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_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/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 9d3cc6bed79d5f36ef86c37a4cddb412902bd9be ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:00:54,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:00:54,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:00:55,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:00:55,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:00:55,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:00:55,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:00:55,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:00:55,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:00:55,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:00:55,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:00:55,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:00:55,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:00:55,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:00:55,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:00:55,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:00:55,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:00:55,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:00:55,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:00:55,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:00:55,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:00:55,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:00:55,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:00:55,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:00:55,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:00:55,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:00:55,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:00:55,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:00:55,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:00:55,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:00:55,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:00:55,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:00:55,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:00:55,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:00:55,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:00:55,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:00:55,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:00:55,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:00:55,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:00:55,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:00:55,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:00:55,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:00:55,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:00:55,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:00:55,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:00:55,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:00:55,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:00:55,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:00:55,167 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:00:55,167 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:00:55,168 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:00:55,168 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:00:55,169 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:00:55,169 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:00:55,170 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:00:55,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:00:55,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:00:55,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:00:55,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:00:55,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:00:55,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:00:55,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:00:55,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:00:55,172 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:00:55,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:00:55,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:00:55,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:00:55,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:00:55,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:00:55,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:00:55,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:00:55,178 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:00:55,178 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_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d3cc6bed79d5f36ef86c37a4cddb412902bd9be [2021-10-13 01:00:55,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:00:55,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:00:55,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:00:55,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:00:55,573 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:00:55,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i [2021-10-13 01:00:55,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/data/983556884/d66bb849a81746199d5b8e81c62c9946/FLAGb07301d44 [2021-10-13 01:00:56,294 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:00:56,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i [2021-10-13 01:00:56,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/data/983556884/d66bb849a81746199d5b8e81c62c9946/FLAGb07301d44 [2021-10-13 01:00:56,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/data/983556884/d66bb849a81746199d5b8e81c62c9946 [2021-10-13 01:00:56,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:00:56,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:00:56,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:00:56,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:00:56,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:00:56,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:00:56" (1/1) ... [2021-10-13 01:00:56,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f69f125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:56, skipping insertion in model container [2021-10-13 01:00:56,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:00:56" (1/1) ... [2021-10-13 01:00:56,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:00:56,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:00:57,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:00:57,124 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:00:57,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:00:57,261 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:00:57,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57 WrapperNode [2021-10-13 01:00:57,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:00:57,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:00:57,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:00:57,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:00:57,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:00:57,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:00:57,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:00:57,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:00:57,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:00:57,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:00:57,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:00:57,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:00:57,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (1/1) ... [2021-10-13 01:00:57,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:57,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:57,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:57,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:00:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:00:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:00:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:00:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:00:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:00:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:00:57,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:00:57,859 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 01:00:57,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:57 BoogieIcfgContainer [2021-10-13 01:00:57,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:00:57,863 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:00:57,863 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:00:57,867 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:00:57,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:57,868 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:00:56" (1/3) ... [2021-10-13 01:00:57,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e4207b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:00:57, skipping insertion in model container [2021-10-13 01:00:57,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:57,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:57" (2/3) ... [2021-10-13 01:00:57,871 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e4207b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:00:57, skipping insertion in model container [2021-10-13 01:00:57,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:57,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:57" (3/3) ... [2021-10-13 01:00:57,873 INFO L389 chiAutomizerObserver]: Analyzing ICFG Urban-alloca.i [2021-10-13 01:00:57,928 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:00:57,928 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:00:57,929 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:00:57,929 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:00:57,929 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:00:57,929 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:00:57,929 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:00:57,929 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:00:57,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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 01:00:58,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:00:58,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:58,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:58,019 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:00:58,019 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:00:58,020 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:00:58,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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 01:00:58,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:00:58,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:58,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:58,025 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:00:58,026 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:00:58,034 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 8#L559-2true [2021-10-13 01:00:58,036 INFO L793 eck$LassoCheckResult]: Loop: 8#L559-2true call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 12#L550-1true assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 10#L550-3true assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 9#L551true assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 7#L559true assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 8#L559-2true [2021-10-13 01:00:58,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:58,049 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 01:00:58,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:58,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362552762] [2021-10-13 01:00:58,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:58,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:58,211 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:58,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:58,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:58,301 INFO L82 PathProgramCache]: Analyzing trace with hash 35409937, now seen corresponding path program 1 times [2021-10-13 01:00:58,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:58,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11671404] [2021-10-13 01:00:58,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:58,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:58,326 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:58,344 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:58,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:58,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849423, now seen corresponding path program 1 times [2021-10-13 01:00:58,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:58,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060334281] [2021-10-13 01:00:58,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:58,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:58,376 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:58,427 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:59,063 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:00:59,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:00:59,064 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:00:59,064 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:00:59,064 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:00:59,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:59,065 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:00:59,065 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:00:59,065 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration1_Lasso [2021-10-13 01:00:59,065 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:00:59,066 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:00:59,091 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 01:00:59,098 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 01:00:59,103 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 01:00:59,106 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 01:00:59,110 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 01:00:59,113 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 01:00:59,117 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 01:00:59,120 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 01:00:59,124 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 01:00:59,127 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 01:00:59,130 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 01:00:59,133 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 01:00:59,136 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 01:00:59,140 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 01:00:59,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:59,146 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 01:00:59,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:59,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:59,464 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 01:00:59,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:00:59,916 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:00:59,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:59,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:59,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:59,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:00:59,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:59,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:59,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:59,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:59,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:59,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:59,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:59,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:00:59,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:59,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:59,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:59,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:59,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:00,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:00,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:00,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:01:00,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:01:00,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:01:00,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:00,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:00,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:01:00,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,331 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:01:00,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:00,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:00,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,410 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:01:00,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,457 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:01:00,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,469 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:01:00,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,471 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 01:01:00,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,532 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:01:00,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-13 01:01:00,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,585 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:01:00,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,630 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:01:00,635 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 01:01:00,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,684 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:01:00,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,727 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:01:00,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:00,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:00,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:00,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,800 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:01:00,823 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 01:01:00,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,899 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:00,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:01:00,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:00,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:00,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:00,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:00,975 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:00,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:01:00,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:00,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:00,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:00,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:00,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:00,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:00,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:00,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:01,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:01,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:01,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:01,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:01,053 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:01,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:01:01,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:01,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:01,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:01,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:01,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:01,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:01,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:01,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:01,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:01,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:01,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:01,157 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:01,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:01,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:01,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:01,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:01,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:01,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:01:01,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:01,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:01,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:01,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:01,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:01,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:01,258 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:01,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:01:01,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:01,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:01,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:01,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:01,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:01,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:01,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:01,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:01,282 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:01:01,305 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 01:01:01,306 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:01:01,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:01,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:01,311 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:01,341 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:01:01,341 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:01:01,342 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:01:01,342 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2021-10-13 01:01:01,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:01:01,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:01,402 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-13 01:01:01,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:01,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:01,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:01,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:01:01,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:01,547 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 01:01:01,567 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:01:01,568 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:01,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 48 transitions. Complement of second has 10 states. [2021-10-13 01:01:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2021-10-13 01:01:01,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 5 letters. [2021-10-13 01:01:01,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:01,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-13 01:01:01,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:01,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 10 letters. [2021-10-13 01:01:01,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:01,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2021-10-13 01:01:01,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:01:01,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 19 states and 29 transitions. [2021-10-13 01:01:01,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-13 01:01:01,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-13 01:01:01,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 29 transitions. [2021-10-13 01:01:01,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:01:01,686 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 29 transitions. [2021-10-13 01:01:01,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 29 transitions. [2021-10-13 01:01:01,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-10-13 01:01:01,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 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 01:01:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2021-10-13 01:01:01,713 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2021-10-13 01:01:01,713 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2021-10-13 01:01:01,713 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:01:01,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 27 transitions. [2021-10-13 01:01:01,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:01:01,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:01,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:01,715 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:01:01,715 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:01:01,715 INFO L791 eck$LassoCheckResult]: Stem: 145#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 146#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 160#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 153#L550-1 assume !main_#t~short6; 157#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 154#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 155#L552 [2021-10-13 01:01:01,716 INFO L793 eck$LassoCheckResult]: Loop: 155#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 148#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 151#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 159#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 162#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 155#L552 [2021-10-13 01:01:01,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:01,717 INFO L82 PathProgramCache]: Analyzing trace with hash 889571371, now seen corresponding path program 1 times [2021-10-13 01:01:01,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:01,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050222384] [2021-10-13 01:01:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:01,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:01,802 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 01:01:01,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:01,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050222384] [2021-10-13 01:01:01,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050222384] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:01:01,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:01:01,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:01:01,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911254522] [2021-10-13 01:01:01,809 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:01:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:01,810 INFO L82 PathProgramCache]: Analyzing trace with hash 51012381, now seen corresponding path program 1 times [2021-10-13 01:01:01,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:01,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053007003] [2021-10-13 01:01:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:01,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:01,845 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:01,887 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:02,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:02,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:01:02,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:02,112 INFO L87 Difference]: Start difference. First operand 18 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:02,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:02,130 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2021-10-13 01:01:02,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:01:02,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2021-10-13 01:01:02,133 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:01:02,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 24 transitions. [2021-10-13 01:01:02,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-13 01:01:02,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-13 01:01:02,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2021-10-13 01:01:02,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:01:02,135 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-13 01:01:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2021-10-13 01:01:02,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-13 01:01:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-10-13 01:01:02,138 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-13 01:01:02,138 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-13 01:01:02,138 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:01:02,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-10-13 01:01:02,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:01:02,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:02,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:02,140 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:01:02,140 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:01:02,141 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 204#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 198#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 202#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 199#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 200#L552 [2021-10-13 01:01:02,141 INFO L793 eck$LassoCheckResult]: Loop: 200#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 193#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 196#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 207#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 206#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 200#L552 [2021-10-13 01:01:02,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:02,142 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2021-10-13 01:01:02,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:02,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603921747] [2021-10-13 01:01:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:02,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:02,156 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:02,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:02,173 INFO L82 PathProgramCache]: Analyzing trace with hash 51012381, now seen corresponding path program 2 times [2021-10-13 01:01:02,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:02,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108902088] [2021-10-13 01:01:02,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:02,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:02,190 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:02,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:02,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:02,219 INFO L82 PathProgramCache]: Analyzing trace with hash -364197003, now seen corresponding path program 1 times [2021-10-13 01:01:02,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:02,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120596746] [2021-10-13 01:01:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:02,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:02,264 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:02,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:02,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:02,990 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:01:02,990 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:01:02,990 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:01:02,991 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:01:02,991 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:01:02,991 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:02,991 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:01:02,991 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:01:02,991 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration3_Lasso [2021-10-13 01:01:02,991 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:01:02,991 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:01:02,997 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 01:01:03,000 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 01:01:03,003 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 01:01:03,007 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 01:01:03,010 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 01:01:03,014 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 01:01:03,017 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 01:01:03,020 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 01:01:03,023 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 01:01:03,026 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 01:01:03,274 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 01:01:03,277 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 01:01:03,280 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 01:01:03,282 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 01:01:03,286 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 01:01:03,288 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 01:01:03,291 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 01:01:03,295 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 01:01:03,298 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 01:01:03,647 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:01:03,647 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:01:03,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:03,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:03,656 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:03,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:03,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:01:03,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:03,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:03,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:03,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:03,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:03,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:03,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:03,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:03,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:03,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:03,695 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:03,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:01:03,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:03,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:03,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:03,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:03,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:03,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:03,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:03,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:03,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:03,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:03,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:03,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:03,740 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:03,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:01:03,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:03,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:03,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:03,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:03,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:03,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:03,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:03,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:03,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:03,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:03,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:03,802 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:03,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:01:03,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:03,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:03,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:03,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:03,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:03,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:03,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:03,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:03,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:03,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:03,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:03,873 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:03,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:01:03,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:03,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:03,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:03,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:03,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:03,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:03,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:03,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:03,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:03,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:03,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:03,954 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:03,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:03,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:03,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:03,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:03,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:03,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:03,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:03,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:03,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:01:03,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:04,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 01:01:04,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:04,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:04,015 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:04,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:01:04,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:04,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:04,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:04,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:04,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:04,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:04,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:04,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:04,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:04,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:04,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:04,073 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:04,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:01:04,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:04,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:04,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:04,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:04,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:04,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:04,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:04,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:04,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:04,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-13 01:01:04,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:04,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:04,115 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:04,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 01:01:04,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:04,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:04,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:04,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:04,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:04,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:04,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:04,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:04,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:04,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:04,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:04,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:04,150 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:04,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 01:01:04,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:04,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:04,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:04,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:04,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:04,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:04,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:04,195 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:01:04,206 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:01:04,206 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-13 01:01:04,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:04,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:04,208 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:04,210 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:01:04,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 01:01:04,244 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:01:04,244 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:01:04,244 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 Supporting invariants [] [2021-10-13 01:01:04,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 01:01:04,317 INFO L297 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2021-10-13 01:01:04,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:04,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:01:04,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:04,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 01:01:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:04,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:01:04,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:04,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2021-10-13 01:01:04,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:04,691 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 01:01:04,692 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 01:01:04,692 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:04,824 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 69 transitions. Complement of second has 10 states. [2021-10-13 01:01:04,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-10-13 01:01:04,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 5 letters. [2021-10-13 01:01:04,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:04,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 11 letters. Loop has 5 letters. [2021-10-13 01:01:04,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:04,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 10 letters. [2021-10-13 01:01:04,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:04,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 69 transitions. [2021-10-13 01:01:04,834 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2021-10-13 01:01:04,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 48 states and 68 transitions. [2021-10-13 01:01:04,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-13 01:01:04,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-10-13 01:01:04,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2021-10-13 01:01:04,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:01:04,837 INFO L681 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2021-10-13 01:01:04,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2021-10-13 01:01:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2021-10-13 01:01:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 44 states have internal predecessors, (64), 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 01:01:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-13 01:01:04,844 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 01:01:04,844 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 01:01:04,844 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:01:04,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 64 transitions. [2021-10-13 01:01:04,846 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2021-10-13 01:01:04,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:04,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:04,847 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:04,847 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1] [2021-10-13 01:01:04,847 INFO L791 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 370#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 389#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 379#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 405#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 401#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 399#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 400#L559-2 [2021-10-13 01:01:04,847 INFO L793 eck$LassoCheckResult]: Loop: 400#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 407#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 406#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 380#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 371#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 372#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 387#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 383#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 384#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 403#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 400#L559-2 [2021-10-13 01:01:04,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:04,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849167, now seen corresponding path program 2 times [2021-10-13 01:01:04,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:04,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868757465] [2021-10-13 01:01:04,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:04,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:04,864 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:04,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:04,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:04,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1870690047, now seen corresponding path program 1 times [2021-10-13 01:01:04,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:04,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492694383] [2021-10-13 01:01:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:04,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:05,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:05,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492694383] [2021-10-13 01:01:05,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492694383] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:01:05,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49385861] [2021-10-13 01:01:05,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:05,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:01:05,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:05,004 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:01:05,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-13 01:01:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:05,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 01:01:05,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:05,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-10-13 01:01:05,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-10-13 01:01:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:05,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49385861] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:01:05,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:01:05,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-13 01:01:05,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478653410] [2021-10-13 01:01:05,271 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:01:05,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:05,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 01:01:05,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:01:05,273 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. cyclomatic complexity: 24 Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:05,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:05,397 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2021-10-13 01:01:05,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:01:05,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 85 transitions. [2021-10-13 01:01:05,403 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2021-10-13 01:01:05,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 62 states and 80 transitions. [2021-10-13 01:01:05,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-13 01:01:05,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-13 01:01:05,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 80 transitions. [2021-10-13 01:01:05,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:01:05,405 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 80 transitions. [2021-10-13 01:01:05,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 80 transitions. [2021-10-13 01:01:05,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 50. [2021-10-13 01:01:05,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.34) internal successors, (67), 49 states have internal predecessors, (67), 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 01:01:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2021-10-13 01:01:05,422 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 67 transitions. [2021-10-13 01:01:05,422 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 67 transitions. [2021-10-13 01:01:05,422 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:01:05,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 67 transitions. [2021-10-13 01:01:05,423 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2021-10-13 01:01:05,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:05,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:05,424 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:05,424 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:01:05,424 INFO L791 eck$LassoCheckResult]: Stem: 525#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 526#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 544#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 557#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 554#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 555#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 551#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 528#L559-2 [2021-10-13 01:01:05,424 INFO L793 eck$LassoCheckResult]: Loop: 528#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 536#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 539#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 540#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 527#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 528#L559-2 [2021-10-13 01:01:05,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:05,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849167, now seen corresponding path program 3 times [2021-10-13 01:01:05,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:05,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453445174] [2021-10-13 01:01:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:05,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:05,461 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:05,476 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:05,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:05,476 INFO L82 PathProgramCache]: Analyzing trace with hash 35409937, now seen corresponding path program 2 times [2021-10-13 01:01:05,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:05,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335854863] [2021-10-13 01:01:05,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:05,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:05,485 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:05,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:05,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:05,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1594795075, now seen corresponding path program 1 times [2021-10-13 01:01:05,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:05,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95377172] [2021-10-13 01:01:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:05,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:05,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:05,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95377172] [2021-10-13 01:01:05,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95377172] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:01:05,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403192007] [2021-10-13 01:01:05,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:05,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:01:05,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:05,665 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:01:05,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-13 01:01:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:05,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 01:01:05,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:05,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-13 01:01:05,889 INFO L354 Elim1Store]: treesize reduction 25, result has 26.5 percent of original size [2021-10-13 01:01:05,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 24 [2021-10-13 01:01:05,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-10-13 01:01:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:05,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403192007] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:01:05,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:01:05,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-10-13 01:01:05,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487176150] [2021-10-13 01:01:06,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:06,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 01:01:06,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-10-13 01:01:06,163 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. cyclomatic complexity: 22 Second operand has 13 states, 13 states have (on average 1.4615384615384615) 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 01:01:06,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:06,400 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2021-10-13 01:01:06,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:01:06,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 56 transitions. [2021-10-13 01:01:06,403 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2021-10-13 01:01:06,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 40 states and 50 transitions. [2021-10-13 01:01:06,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-10-13 01:01:06,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-13 01:01:06,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 50 transitions. [2021-10-13 01:01:06,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:01:06,405 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-13 01:01:06,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 50 transitions. [2021-10-13 01:01:06,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-13 01:01:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 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 01:01:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-10-13 01:01:06,409 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-13 01:01:06,409 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-13 01:01:06,410 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 01:01:06,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-10-13 01:01:06,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2021-10-13 01:01:06,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:06,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:06,412 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:06,412 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:01:06,412 INFO L791 eck$LassoCheckResult]: Stem: 676#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 677#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 694#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 701#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 705#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 704#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 703#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 695#L559-2 [2021-10-13 01:01:06,412 INFO L793 eck$LassoCheckResult]: Loop: 695#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 708#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 707#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 686#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 687#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 695#L559-2 [2021-10-13 01:01:06,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:06,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849169, now seen corresponding path program 1 times [2021-10-13 01:01:06,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:06,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801858782] [2021-10-13 01:01:06,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:06,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:06,424 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:06,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:06,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:06,437 INFO L82 PathProgramCache]: Analyzing trace with hash 35409683, now seen corresponding path program 1 times [2021-10-13 01:01:06,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:06,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106639953] [2021-10-13 01:01:06,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:06,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:06,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:06,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:06,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:06,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1652053123, now seen corresponding path program 2 times [2021-10-13 01:01:06,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:06,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119578703] [2021-10-13 01:01:06,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:06,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:06,467 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:06,491 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:07,017 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:01:07,018 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:01:07,018 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:01:07,018 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:01:07,018 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:01:07,018 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:07,018 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:01:07,018 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:01:07,018 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration6_Lasso [2021-10-13 01:01:07,018 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:01:07,018 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:01:07,024 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 01:01:07,027 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 01:01:07,030 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 01:01:07,033 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 01:01:07,247 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 01:01:07,254 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 01:01:07,256 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 01:01:07,258 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 01:01:07,260 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 01:01:07,264 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 01:01:07,266 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 01:01:07,269 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 01:01:07,272 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 01:01:07,274 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 01:01:07,278 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 01:01:07,281 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 01:01:07,283 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 01:01:07,285 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 01:01:07,287 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 01:01:07,631 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:01:07,631 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:01:07,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:07,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:07,634 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:07,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:07,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:07,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:07,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:07,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:07,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:07,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:07,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:07,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 01:01:07,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:07,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:07,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:07,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:07,684 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:07,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:07,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 01:01:07,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:07,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:07,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:07,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:07,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:07,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:07,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:07,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:07,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:07,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:07,731 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:07,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 01:01:07,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:07,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:07,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:07,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:07,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:07,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:07,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:07,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:07,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:07,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 01:01:07,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:07,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:07,770 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:07,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 01:01:07,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:07,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:07,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:07,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:07,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:07,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:07,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:07,807 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:01:07,824 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:01:07,824 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:01:07,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:07,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:07,831 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:07,833 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:01:07,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 01:01:07,844 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:01:07,845 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:01:07,845 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_3 Supporting invariants [] [2021-10-13 01:01:07,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:07,933 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-13 01:01:07,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:07,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:07,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:07,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:08,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:01:08,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:08,115 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 01:01:08,116 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:01:08,116 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 01:01:08,153 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 64 states and 78 transitions. Complement of second has 9 states. [2021-10-13 01:01:08,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 01:01:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-10-13 01:01:08,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-13 01:01:08,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:08,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 5 letters. [2021-10-13 01:01:08,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:08,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 10 letters. [2021-10-13 01:01:08,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:08,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 78 transitions. [2021-10-13 01:01:08,158 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2021-10-13 01:01:08,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 54 states and 65 transitions. [2021-10-13 01:01:08,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-10-13 01:01:08,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-13 01:01:08,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 65 transitions. [2021-10-13 01:01:08,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:01:08,160 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2021-10-13 01:01:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 65 transitions. [2021-10-13 01:01:08,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-10-13 01:01:08,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 53 states have internal predecessors, (65), 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 01:01:08,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2021-10-13 01:01:08,165 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2021-10-13 01:01:08,165 INFO L587 BuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2021-10-13 01:01:08,165 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 01:01:08,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 65 transitions. [2021-10-13 01:01:08,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2021-10-13 01:01:08,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:08,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:08,168 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:08,168 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:01:08,168 INFO L791 eck$LassoCheckResult]: Stem: 888#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 889#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 904#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 915#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 930#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 928#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 890#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 891#L559-2 [2021-10-13 01:01:08,168 INFO L793 eck$LassoCheckResult]: Loop: 891#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 894#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 905#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 918#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 898#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 891#L559-2 [2021-10-13 01:01:08,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:08,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849425, now seen corresponding path program 1 times [2021-10-13 01:01:08,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:08,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482061050] [2021-10-13 01:01:08,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:08,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,182 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:08,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:08,207 INFO L82 PathProgramCache]: Analyzing trace with hash 35409939, now seen corresponding path program 1 times [2021-10-13 01:01:08,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:08,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983807372] [2021-10-13 01:01:08,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:08,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,227 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,240 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:08,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:08,245 INFO L82 PathProgramCache]: Analyzing trace with hash 391181443, now seen corresponding path program 2 times [2021-10-13 01:01:08,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:08,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264983489] [2021-10-13 01:01:08,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:08,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,281 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:08,852 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:01:08,852 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:01:08,852 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:01:08,852 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:01:08,852 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:01:08,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:08,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:01:08,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:01:08,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration7_Lasso [2021-10-13 01:01:08,853 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:01:08,853 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:01:08,857 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 01:01:08,860 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 01:01:08,865 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 01:01:08,868 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 01:01:08,871 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 01:01:08,873 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 01:01:08,877 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 01:01:08,883 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 01:01:09,125 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 01:01:09,127 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 01:01:09,130 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 01:01:09,132 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 01:01:09,135 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 01:01:09,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:09,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:09,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:09,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:09,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:09,151 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 01:01:09,529 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:01:09,530 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:01:09,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,531 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:09,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:09,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:09,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:09,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 01:01:09,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:09,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,585 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 01:01:09,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:09,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:09,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:09,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-13 01:01:09,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,640 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 01:01:09,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:09,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:09,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:09,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:09,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-13 01:01:09,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,679 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 01:01:09,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:09,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:09,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:09,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:09,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-13 01:01:09,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,718 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 01:01:09,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:09,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:09,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:09,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:09,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:09,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,760 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 01:01:09,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:09,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:09,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:09,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:09,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,804 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 01:01:09,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:09,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:09,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:09,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:09,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 01:01:09,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,844 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 01:01:09,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:09,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:09,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:09,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:09,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,905 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 01:01:09,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:09,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:09,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:09,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-13 01:01:09,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,949 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 01:01:09,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:09,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:09,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:09,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:10,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:10,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:10,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:10,001 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:10,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 01:01:10,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:10,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:10,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:10,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:10,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:10,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:10,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:10,020 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:01:10,028 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:01:10,028 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:01:10,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:10,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:10,029 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:10,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 01:01:10,030 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:01:10,040 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:01:10,040 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:01:10,041 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_4 Supporting invariants [] [2021-10-13 01:01:10,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 01:01:10,094 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-13 01:01:10,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:10,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:10,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:10,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:01:10,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:10,284 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 01:01:10,285 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-13 01:01:10,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 65 transitions. cyclomatic complexity: 17 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 01:01:10,375 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 65 transitions. cyclomatic complexity: 17. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 112 states and 133 transitions. Complement of second has 11 states. [2021-10-13 01:01:10,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 01:01:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2021-10-13 01:01:10,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-13 01:01:10,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:10,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 12 letters. Loop has 5 letters. [2021-10-13 01:01:10,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:10,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 10 letters. [2021-10-13 01:01:10,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:10,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 133 transitions. [2021-10-13 01:01:10,388 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-10-13 01:01:10,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 102 states and 122 transitions. [2021-10-13 01:01:10,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-13 01:01:10,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-10-13 01:01:10,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 122 transitions. [2021-10-13 01:01:10,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:01:10,397 INFO L681 BuchiCegarLoop]: Abstraction has 102 states and 122 transitions. [2021-10-13 01:01:10,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 122 transitions. [2021-10-13 01:01:10,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 60. [2021-10-13 01:01:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 59 states have internal predecessors, (73), 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 01:01:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2021-10-13 01:01:10,411 INFO L704 BuchiCegarLoop]: Abstraction has 60 states and 73 transitions. [2021-10-13 01:01:10,412 INFO L587 BuchiCegarLoop]: Abstraction has 60 states and 73 transitions. [2021-10-13 01:01:10,412 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 01:01:10,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 73 transitions. [2021-10-13 01:01:10,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-13 01:01:10,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:10,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:10,416 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1] [2021-10-13 01:01:10,416 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:01:10,417 INFO L791 eck$LassoCheckResult]: Stem: 1166#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1167#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 1183#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1201#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1198#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1199#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 1189#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 1195#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1184#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1180#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1181#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 1168#L559 [2021-10-13 01:01:10,417 INFO L793 eck$LassoCheckResult]: Loop: 1168#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 1169#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1173#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1211#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1196#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 1168#L559 [2021-10-13 01:01:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:10,418 INFO L82 PathProgramCache]: Analyzing trace with hash -125928577, now seen corresponding path program 3 times [2021-10-13 01:01:10,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:10,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170688624] [2021-10-13 01:01:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:10,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:10,436 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:10,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:10,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:10,464 INFO L82 PathProgramCache]: Analyzing trace with hash 58400557, now seen corresponding path program 3 times [2021-10-13 01:01:10,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:10,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422957418] [2021-10-13 01:01:10,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:10,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:10,482 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:10,495 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:10,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:10,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1691624047, now seen corresponding path program 1 times [2021-10-13 01:01:10,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:10,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179985801] [2021-10-13 01:01:10,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:10,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:10,531 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:10,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:11,298 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:01:11,299 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:01:11,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:01:11,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:01:11,299 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:01:11,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:11,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:01:11,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:01:11,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration8_Lasso [2021-10-13 01:01:11,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:01:11,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:01:11,306 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 01:01:11,309 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 01:01:11,312 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 01:01:11,314 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 01:01:11,317 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 01:01:11,320 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 01:01:11,323 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 01:01:11,325 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 01:01:11,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:11,565 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 01:01:11,568 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 01:01:11,572 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 01:01:11,574 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 01:01:11,576 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 01:01:11,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:11,580 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 01:01:11,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:11,584 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 01:01:11,587 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 01:01:11,590 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 01:01:11,592 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 01:01:11,961 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:01:11,962 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:01:11,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:11,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:11,970 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:11,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 01:01:11,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:11,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:11,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:11,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:11,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:11,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:11,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:11,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:11,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:12,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,008 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 01:01:12,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:12,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:12,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:12,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:12,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,071 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 01:01:12,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:12,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:12,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:12,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-13 01:01:12,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,109 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 01:01:12,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-13 01:01:12,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,176 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 01:01:12,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:12,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,219 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 01:01:12,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:12,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,261 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 01:01:12,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:12,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:12,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:12,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:12,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-13 01:01:12,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,299 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 01:01:12,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-13 01:01:12,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,346 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 01:01:12,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:12,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,395 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 01:01:12,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:12,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-13 01:01:12,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,496 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 01:01:12,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:12,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,579 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 01:01:12,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:12,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:12,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,630 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 01:01:12,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:12,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-13 01:01:12,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,671 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 01:01:12,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:12,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:12,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:12,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:12,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:12,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:12,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:12,691 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:01:12,698 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:01:12,698 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:01:12,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:12,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:12,699 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:12,701 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:01:12,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 01:01:12,711 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:01:12,711 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:01:12,711 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_5) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_5 Supporting invariants [] [2021-10-13 01:01:12,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-13 01:01:12,784 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-13 01:01:12,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:12,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:12,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:12,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:01:12,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:12,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-13 01:01:12,923 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 01:01:12,924 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:01:12,924 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:12,968 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 101 states and 120 transitions. Complement of second has 7 states. [2021-10-13 01:01:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-10-13 01:01:12,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2021-10-13 01:01:12,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:12,970 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:01:12,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:13,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:13,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:13,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:01:13,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:13,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-13 01:01:13,096 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 01:01:13,097 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:01:13,097 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:13,137 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 101 states and 120 transitions. Complement of second has 7 states. [2021-10-13 01:01:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:13,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-10-13 01:01:13,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2021-10-13 01:01:13,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:13,140 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:01:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:13,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:13,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:13,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:01:13,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:13,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-13 01:01:13,270 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 01:01:13,271 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:01:13,271 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:13,306 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 97 transitions. Complement of second has 6 states. [2021-10-13 01:01:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-13 01:01:13,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 5 letters. [2021-10-13 01:01:13,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:13,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 5 letters. [2021-10-13 01:01:13,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:13,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 10 letters. [2021-10-13 01:01:13,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:13,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 97 transitions. [2021-10-13 01:01:13,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 01:01:13,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 62 states and 74 transitions. [2021-10-13 01:01:13,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-13 01:01:13,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-13 01:01:13,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 74 transitions. [2021-10-13 01:01:13,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:01:13,313 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 74 transitions. [2021-10-13 01:01:13,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 74 transitions. [2021-10-13 01:01:13,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2021-10-13 01:01:13,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 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 01:01:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2021-10-13 01:01:13,318 INFO L704 BuchiCegarLoop]: Abstraction has 55 states and 66 transitions. [2021-10-13 01:01:13,318 INFO L587 BuchiCegarLoop]: Abstraction has 55 states and 66 transitions. [2021-10-13 01:01:13,318 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 01:01:13,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 66 transitions. [2021-10-13 01:01:13,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 01:01:13,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:13,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:13,320 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 1, 1, 1] [2021-10-13 01:01:13,320 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:01:13,321 INFO L791 eck$LassoCheckResult]: Stem: 1743#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1744#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 1762#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1768#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1767#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1766#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1763#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 1765#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1792#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1791#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1790#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1778#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 1771#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1776#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1774#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1773#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1770#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 1748#L559-2 [2021-10-13 01:01:13,321 INFO L793 eck$LassoCheckResult]: Loop: 1748#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1749#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1775#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1752#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1753#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 1748#L559-2 [2021-10-13 01:01:13,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:13,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1675310445, now seen corresponding path program 1 times [2021-10-13 01:01:13,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:13,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013378919] [2021-10-13 01:01:13,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:13,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:13,378 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:13,416 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:13,416 INFO L82 PathProgramCache]: Analyzing trace with hash 35409683, now seen corresponding path program 2 times [2021-10-13 01:01:13,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:13,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790579185] [2021-10-13 01:01:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:13,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:13,426 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:13,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:13,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:13,443 INFO L82 PathProgramCache]: Analyzing trace with hash 143216577, now seen corresponding path program 2 times [2021-10-13 01:01:13,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:13,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006005641] [2021-10-13 01:01:13,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:13,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:13,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:13,474 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:13,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:14,621 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:01:14,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:01:14,621 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:01:14,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:01:14,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:01:14,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:14,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:01:14,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:01:14,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration9_Lasso [2021-10-13 01:01:14,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:01:14,622 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:01:14,625 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 01:01:14,634 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 01:01:14,637 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 01:01:14,640 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 01:01:14,643 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 01:01:14,646 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 01:01:14,649 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 01:01:14,880 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 01:01:14,883 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 01:01:14,885 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 01:01:14,887 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 01:01:14,899 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 01:01:14,901 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 01:01:14,904 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 01:01:14,907 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 01:01:14,909 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 01:01:14,912 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 01:01:14,914 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 01:01:14,917 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 01:01:14,920 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 01:01:15,202 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:01:15,202 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:01:15,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:15,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:15,204 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:15,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 01:01:15,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:01:15,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:15,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:15,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:15,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:15,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:15,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:15,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:15,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:15,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:15,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:15,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:15,244 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:15,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 01:01:15,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:15,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:15,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:15,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:15,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:15,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:15,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:15,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:15,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:15,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:15,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:15,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:15,281 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:15,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 01:01:15,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:15,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:15,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:15,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:15,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:15,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:15,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:15,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:15,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-13 01:01:15,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:15,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:15,321 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:15,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 01:01:15,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:15,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:15,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:15,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:15,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:15,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:15,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:15,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:15,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:15,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-13 01:01:15,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:15,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:15,360 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:15,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 01:01:15,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:15,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:15,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:15,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:15,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:15,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:15,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:15,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:15,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:15,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:15,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:15,415 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:15,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 01:01:15,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:15,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:15,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:15,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:15,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:15,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:15,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:15,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:15,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-13 01:01:15,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:15,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:15,455 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:15,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 01:01:15,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:01:15,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:15,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:15,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:15,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:15,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:15,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:15,473 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:01:15,481 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-13 01:01:15,481 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:01:15,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:15,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:15,483 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:15,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 01:01:15,484 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:01:15,496 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:01:15,496 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:01:15,496 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6 Supporting invariants [] [2021-10-13 01:01:15,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-13 01:01:15,550 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-13 01:01:15,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:15,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:15,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:15,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:01:15,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:15,784 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 01:01:15,785 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:01:15,786 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:15,830 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 74 transitions. Complement of second has 9 states. [2021-10-13 01:01:15,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-10-13 01:01:15,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 17 letters. Loop has 5 letters. [2021-10-13 01:01:15,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:15,833 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:01:15,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:15,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:15,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:15,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:01:15,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:16,050 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 01:01:16,052 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:01:16,052 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:16,081 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 74 transitions. Complement of second has 9 states. [2021-10-13 01:01:16,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-10-13 01:01:16,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 17 letters. Loop has 5 letters. [2021-10-13 01:01:16,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:16,084 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:01:16,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:16,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:16,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:16,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:01:16,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:16,300 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 01:01:16,301 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:01:16,302 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:16,336 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 84 transitions. Complement of second has 8 states. [2021-10-13 01:01:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:01:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:01:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-10-13 01:01:16,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 17 letters. Loop has 5 letters. [2021-10-13 01:01:16,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:16,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 22 letters. Loop has 5 letters. [2021-10-13 01:01:16,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:16,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 17 letters. Loop has 10 letters. [2021-10-13 01:01:16,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:16,339 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 84 transitions. [2021-10-13 01:01:16,340 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:01:16,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 0 states and 0 transitions. [2021-10-13 01:01:16,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:01:16,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:01:16,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:01:16,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:01:16,341 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:01:16,341 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:01:16,341 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:01:16,341 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-13 01:01:16,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:01:16,342 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:01:16,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:01:16,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:01:16 BoogieIcfgContainer [2021-10-13 01:01:16,349 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:01:16,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:01:16,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:01:16,351 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:01:16,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:57" (3/4) ... [2021-10-13 01:01:16,355 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:01:16,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:01:16,356 INFO L168 Benchmark]: Toolchain (without parser) took 19772.91 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 95.0 MB in the beginning and 93.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:16,357 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 37.3 MB in the beginning and 37.3 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:16,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.90 ms. Allocated memory is still 127.9 MB. Free memory was 94.8 MB in the beginning and 99.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:16,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.00 ms. Allocated memory is still 127.9 MB. Free memory was 99.2 MB in the beginning and 97.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:16,359 INFO L168 Benchmark]: Boogie Preprocessor took 50.29 ms. Allocated memory is still 127.9 MB. Free memory was 97.9 MB in the beginning and 96.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:16,359 INFO L168 Benchmark]: RCFGBuilder took 464.16 ms. Allocated memory is still 127.9 MB. Free memory was 96.4 MB in the beginning and 86.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:16,360 INFO L168 Benchmark]: BuchiAutomizer took 18486.79 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 86.0 MB in the beginning and 93.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:16,360 INFO L168 Benchmark]: Witness Printer took 5.37 ms. Allocated memory is still 186.6 MB. Free memory is still 93.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:16,363 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 81.8 MB. Free memory was 37.3 MB in the beginning and 37.3 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 676.90 ms. Allocated memory is still 127.9 MB. Free memory was 94.8 MB in the beginning and 99.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.00 ms. Allocated memory is still 127.9 MB. Free memory was 99.2 MB in the beginning and 97.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.29 ms. Allocated memory is still 127.9 MB. Free memory was 97.9 MB in the beginning and 96.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 464.16 ms. Allocated memory is still 127.9 MB. Free memory was 96.4 MB in the beginning and 86.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 18486.79 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 86.0 MB in the beginning and 93.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.37 ms. Allocated memory is still 186.6 MB. Free memory is still 93.1 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 9 terminating modules (3 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.4s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 15.1s. Construction of modules took 0.4s. Büchi inclusion checks took 2.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 8. Automata minimization 68.5ms AutomataMinimizationTime, 8 MinimizatonAttempts, 65 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 60 states and ocurred in iteration 7. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 116 SDtfs, 150 SDslu, 41 SDs, 0 SdLazy, 363 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 442.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital234 mio100 ax108 hnf100 lsp87 ukn60 mio100 lsp40 div100 bol100 ite100 ukn100 eq175 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms 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 01:01:16,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:16,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2021-10-13 01:01:16,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-10-13 01:01:17,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d5dca0-abae-4134-8e0f-3bd10fe0e1a5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...