./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-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_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/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_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/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_29f90435-c038-43a0-ab12-365f01d99393/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 3cca4963db77635bc2da65f99e90064d806437e6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:06:14,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:06:14,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:06:14,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:06:14,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:06:14,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:06:14,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:06:14,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:06:14,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:06:14,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:06:14,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:06:14,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:06:14,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:06:14,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:06:14,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:06:14,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:06:14,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:06:14,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:06:14,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:06:14,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:06:14,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:06:14,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:06:14,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:06:14,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:06:14,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:06:14,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:06:14,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:06:14,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:06:14,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:06:14,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:06:14,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:06:14,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:06:14,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:06:14,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:06:14,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:06:14,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:06:14,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:06:14,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:06:14,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:06:14,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:06:14,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:06:14,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:06:14,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:06:14,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:06:14,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:06:14,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:06:14,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:06:14,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:06:14,215 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:06:14,216 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:06:14,216 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:06:14,217 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:06:14,217 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:06:14,218 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:06:14,218 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:06:14,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:06:14,222 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:06:14,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:06:14,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:06:14,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:06:14,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:06:14,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:06:14,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:06:14,224 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:06:14,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:06:14,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:06:14,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:06:14,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:06:14,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:06:14,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:06:14,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:06:14,231 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:06:14,232 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_29f90435-c038-43a0-ab12-365f01d99393/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cca4963db77635bc2da65f99e90064d806437e6 [2021-10-13 01:06:14,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:06:14,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:06:14,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:06:14,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:06:14,682 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:06:14,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-10-13 01:06:14,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/data/051c24e3b/74e17d41177d4abab474ffa6e17a66db/FLAGec8663dd2 [2021-10-13 01:06:15,488 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:06:15,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-10-13 01:06:15,521 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/data/051c24e3b/74e17d41177d4abab474ffa6e17a66db/FLAGec8663dd2 [2021-10-13 01:06:15,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/data/051c24e3b/74e17d41177d4abab474ffa6e17a66db [2021-10-13 01:06:15,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:06:15,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:06:15,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:06:15,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:06:15,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:06:15,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:06:15" (1/1) ... [2021-10-13 01:06:15,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c6908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:15, skipping insertion in model container [2021-10-13 01:06:15,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:06:15" (1/1) ... [2021-10-13 01:06:15,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:06:15,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:06:16,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:06:16,295 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:06:16,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:06:16,419 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:06:16,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16 WrapperNode [2021-10-13 01:06:16,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:06:16,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:06:16,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:06:16,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:06:16,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:06:16,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:06:16,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:06:16,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:06:16,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:06:16,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:06:16,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:06:16,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:06:16,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (1/1) ... [2021-10-13 01:06:16,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:16,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:16,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:16,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:06:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:06:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:06:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:06:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:06:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:06:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:06:17,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:06:17,062 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 01:06:17,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:17 BoogieIcfgContainer [2021-10-13 01:06:17,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:06:17,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:06:17,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:06:17,083 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:06:17,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:17,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:06:15" (1/3) ... [2021-10-13 01:06:17,086 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51119f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:06:17, skipping insertion in model container [2021-10-13 01:06:17,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:17,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:16" (2/3) ... [2021-10-13 01:06:17,087 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51119f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:06:17, skipping insertion in model container [2021-10-13 01:06:17,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:17,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:17" (3/3) ... [2021-10-13 01:06:17,089 INFO L389 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-10-13 01:06:17,159 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:06:17,159 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:06:17,159 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:06:17,160 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:06:17,160 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:06:17,160 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:06:17,160 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:06:17,160 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:06:17,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:17,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 01:06:17,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:17,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:17,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:06:17,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:17,211 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:06:17,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:17,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 01:06:17,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:17,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:17,214 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:06:17,215 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:17,223 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~nondet16, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~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;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 11#L554-2true [2021-10-13 01:06:17,226 INFO L793 eck$LassoCheckResult]: Loop: 11#L554-2true call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 6#L551-1true assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 7#L551-3true main_#t~short9 := main_#t~short7; 13#L551-4true assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 10#L551-6true assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 9#L552true assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11; 11#L554-2true [2021-10-13 01:06:17,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:17,241 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 01:06:17,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:17,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218658876] [2021-10-13 01:06:17,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:17,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,413 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,472 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:17,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:17,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2021-10-13 01:06:17,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:17,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381331243] [2021-10-13 01:06:17,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:17,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,529 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,570 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:17,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:17,575 INFO L82 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2021-10-13 01:06:17,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:17,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870509965] [2021-10-13 01:06:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:17,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,685 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:17,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:18,838 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:18,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:18,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:18,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:18,840 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:06:18,841 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:18,841 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:18,841 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:18,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration1_Lasso [2021-10-13 01:06:18,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:18,842 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:18,881 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 01:06:18,889 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 01:06:18,895 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 01:06:18,898 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 01:06:18,902 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 01:06:18,905 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 01:06:18,909 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 01:06:18,912 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 01:06:18,917 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 01:06:18,920 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 01:06:18,924 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 01:06:18,928 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 01:06:18,932 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 01:06:18,935 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 01:06:18,937 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 01:06:18,949 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 01:06:18,952 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 01:06:18,957 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 01:06:18,960 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 01:06:20,003 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:20,012 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:06:20,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:06:20,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:06:20,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,141 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:06:20,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,146 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 01:06:20,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,220 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:06:20,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,285 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:06:20,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:20,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:20,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,352 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:06:20,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:20,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:20,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-13 01:06:20,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,432 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:06:20,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:20,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:20,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,513 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:06:20,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,564 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:06:20,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,612 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:06:20,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,662 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:06:20,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:20,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,703 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:06:20,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,770 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:06:20,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:20,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:20,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:20,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,841 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:06:20,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-13 01:06:20,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,885 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:06:20,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:20,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-13 01:06:20,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:20,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:20,928 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:20,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:06:20,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:20,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:20,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:20,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:20,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:20,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:20,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:20,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:20,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:21,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,008 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:06:21,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:21,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:21,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:21,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:21,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:21,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:21,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:21,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:21,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:21,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,067 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:06:21,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:21,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:21,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:21,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:21,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:21,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:21,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:21,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:21,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:21,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,113 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:06:21,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:21,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:21,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:21,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:21,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:21,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:21,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:21,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:21,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,174 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:06:21,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:21,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:21,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:21,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:21,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:21,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:21,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:21,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:21,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,236 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:06:21,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:21,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:21,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:21,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:21,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:21,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:21,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:21,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:21,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,340 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:06:21,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:21,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:21,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:21,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:21,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:21,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:21,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:21,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:21,416 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:06:21,442 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:06:21,442 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:06:21,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:21,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:21,452 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:21,461 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:06:21,461 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:06:21,461 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:06:21,462 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 01:06:21,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:06:21,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:21,632 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:06:21,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:21,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:06:21,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:21,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:06:21,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:21,929 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 01:06:21,949 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 01:06:21,952 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:22,084 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 79 transitions. Complement of second has 10 states. [2021-10-13 01:06:22,084 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 01:06:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2021-10-13 01:06:22,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-13 01:06:22,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:22,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-13 01:06:22,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:22,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 2 letters. Loop has 12 letters. [2021-10-13 01:06:22,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:22,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 79 transitions. [2021-10-13 01:06:22,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-10-13 01:06:22,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 34 states and 50 transitions. [2021-10-13 01:06:22,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-13 01:06:22,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-13 01:06:22,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 50 transitions. [2021-10-13 01:06:22,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:06:22,106 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 50 transitions. [2021-10-13 01:06:22,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 50 transitions. [2021-10-13 01:06:22,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2021-10-13 01:06:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 30 states have internal predecessors, (44), 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 01:06:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions. [2021-10-13 01:06:22,143 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 44 transitions. [2021-10-13 01:06:22,143 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 44 transitions. [2021-10-13 01:06:22,144 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:06:22,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 44 transitions. [2021-10-13 01:06:22,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-10-13 01:06:22,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:22,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:22,146 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 01:06:22,146 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:22,146 INFO L791 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 226#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~nondet16, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~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;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 241#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 244#L551-1 [2021-10-13 01:06:22,147 INFO L793 eck$LassoCheckResult]: Loop: 244#L551-1 assume !main_#t~short7; 238#L551-3 main_#t~short9 := main_#t~short7; 239#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 242#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 253#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11; 250#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 244#L551-1 [2021-10-13 01:06:22,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:22,147 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-13 01:06:22,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:22,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881764576] [2021-10-13 01:06:22,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:22,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:22,165 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:22,183 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:22,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:22,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1244514134, now seen corresponding path program 1 times [2021-10-13 01:06:22,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:22,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156671343] [2021-10-13 01:06:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:22,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:22,260 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 01:06:22,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:06:22,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156671343] [2021-10-13 01:06:22,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156671343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:06:22,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:06:22,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:06:22,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417737092] [2021-10-13 01:06:22,271 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:06:22,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:06:22,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:06:22,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:06:22,277 INFO L87 Difference]: Start difference. First operand 31 states and 44 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 1.5) 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 01:06:22,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:06:22,326 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-10-13 01:06:22,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:06:22,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2021-10-13 01:06:22,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 01:06:22,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 21 states and 25 transitions. [2021-10-13 01:06:22,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-13 01:06:22,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-13 01:06:22,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-10-13 01:06:22,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:06:22,343 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-13 01:06:22,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-10-13 01:06:22,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-13 01:06:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-10-13 01:06:22,351 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-13 01:06:22,351 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-13 01:06:22,351 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:06:22,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-10-13 01:06:22,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 01:06:22,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:22,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:22,354 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:22,355 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:22,355 INFO L791 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 299#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~nondet16, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 313#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 307#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 309#L551-3 main_#t~short9 := main_#t~short7; 311#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 300#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 301#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10; 316#L554 [2021-10-13 01:06:22,356 INFO L793 eck$LassoCheckResult]: Loop: 316#L554 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem13 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem13;call write~int(main_#t~nondet14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet14; 304#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 305#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 318#L551-3 main_#t~short9 := main_#t~short7; 314#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 315#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 317#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10; 316#L554 [2021-10-13 01:06:22,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:22,357 INFO L82 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2021-10-13 01:06:22,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:22,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271006290] [2021-10-13 01:06:22,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:22,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:22,411 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:22,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:22,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:22,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1175734219, now seen corresponding path program 1 times [2021-10-13 01:06:22,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:22,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278492950] [2021-10-13 01:06:22,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:22,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:22,490 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:22,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:22,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:22,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1517982238, now seen corresponding path program 1 times [2021-10-13 01:06:22,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:22,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655048646] [2021-10-13 01:06:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:22,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:22,540 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:22,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:22,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:23,682 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:23,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:23,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:23,682 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:23,682 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:06:23,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:23,683 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:23,683 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:23,683 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration3_Lasso [2021-10-13 01:06:23,683 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:23,683 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:23,690 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 01:06:23,693 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 01:06:23,696 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 01:06:23,700 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 01:06:24,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:24,173 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 01:06:24,175 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 01:06:24,178 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 01:06:24,181 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 01:06:24,184 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 01:06:24,187 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 01:06:24,192 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 01:06:24,195 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 01:06:24,198 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 01:06:24,201 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 01:06:24,203 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 01:06:24,206 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 01:06:24,210 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 01:06:24,723 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:24,723 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:06:24,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:24,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:24,724 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:24,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:06:24,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:24,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:24,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:24,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:24,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:24,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:24,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:24,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:24,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:24,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:24,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:24,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:24,788 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:24,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:24,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:06:24,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:24,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:24,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:24,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:24,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:24,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:24,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:24,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:24,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-13 01:06:24,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:24,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:24,859 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:24,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:24,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:24,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:24,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:24,876 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:06:24,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:24,877 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 01:06:24,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:24,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:06:24,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:24,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:24,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:24,941 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:24,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:24,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:24,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:24,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:24,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:24,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:24,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:24,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:06:24,990 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:06:25,018 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-13 01:06:25,018 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-13 01:06:25,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:25,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:25,025 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:25,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:06:25,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:06:25,060 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:06:25,061 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:06:25,061 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)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2 Supporting invariants [] [2021-10-13 01:06:25,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 01:06:25,217 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:06:25,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:25,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:06:25,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:25,297 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 14 treesize of output 12 [2021-10-13 01:06:25,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:25,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:06:25,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:25,471 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 01:06:25,755 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 01:06:25,756 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-13 01:06:25,756 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:25,945 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 58 transitions. Complement of second has 12 states. [2021-10-13 01:06:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-13 01:06:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-10-13 01:06:25,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 8 letters. Loop has 7 letters. [2021-10-13 01:06:25,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:25,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 15 letters. Loop has 7 letters. [2021-10-13 01:06:25,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:25,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 8 letters. Loop has 14 letters. [2021-10-13 01:06:25,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:25,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2021-10-13 01:06:25,952 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-10-13 01:06:25,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 43 states and 52 transitions. [2021-10-13 01:06:25,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-13 01:06:25,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-13 01:06:25,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2021-10-13 01:06:25,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:06:25,954 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-10-13 01:06:25,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2021-10-13 01:06:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2021-10-13 01:06:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 40 states have internal predecessors, (49), 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 01:06:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2021-10-13 01:06:25,965 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2021-10-13 01:06:25,966 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2021-10-13 01:06:25,966 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:06:25,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 49 transitions. [2021-10-13 01:06:25,971 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-10-13 01:06:25,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:25,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:25,972 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:25,972 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:25,972 INFO L791 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 550#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~nondet16, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~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;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 563#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 577#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 582#L551-3 main_#t~short9 := main_#t~short7; 581#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 580#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 579#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10; 578#L554 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16; 555#L554-2 [2021-10-13 01:06:25,973 INFO L793 eck$LassoCheckResult]: Loop: 555#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 556#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 559#L551-3 main_#t~short9 := main_#t~short7; 560#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 564#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 566#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11; 555#L554-2 [2021-10-13 01:06:25,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:25,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1211450581, now seen corresponding path program 1 times [2021-10-13 01:06:25,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:25,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894378234] [2021-10-13 01:06:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:25,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:26,007 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:26,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:26,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:26,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 2 times [2021-10-13 01:06:26,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:26,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500159976] [2021-10-13 01:06:26,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:26,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:26,075 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:26,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:26,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:26,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1001977698, now seen corresponding path program 1 times [2021-10-13 01:06:26,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:26,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038009894] [2021-10-13 01:06:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:26,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:26,122 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:26,176 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:27,107 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:27,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:27,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:27,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:27,107 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:06:27,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:27,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:27,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:27,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration4_Lasso [2021-10-13 01:06:27,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:27,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:27,112 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 01:06:27,114 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 01:06:27,116 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 01:06:27,118 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 01:06:27,120 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 01:06:27,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:27,125 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 01:06:27,127 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 01:06:27,129 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 01:06:27,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:27,132 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 01:06:27,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:27,136 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 01:06:27,138 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 01:06:27,571 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 01:06:27,574 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 01:06:27,575 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 01:06:27,577 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 01:06:27,580 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 01:06:28,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:28,067 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:06:28,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,077 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:06:28,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,120 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 01:06:28,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:28,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:28,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,159 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 01:06:28,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,209 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 01:06:28,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 01:06:28,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,248 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 01:06:28,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:28,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:28,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,322 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 01:06:28,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-13 01:06:28,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,360 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 01:06:28,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,394 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 01:06:28,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:28,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:28,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-13 01:06:28,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,430 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 01:06:28,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,490 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 01:06:28,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-13 01:06:28,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,527 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 01:06:28,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 01:06:28,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,561 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 01:06:28,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:28,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:28,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:28,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:28,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-13 01:06:28,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,595 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 01:06:28,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:28,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:28,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,632 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 01:06:28,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:28,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:28,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,717 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:28,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:28,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 01:06:28,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,814 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 01:06:28,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:28,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:28,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,904 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:28,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:28,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:28,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:28,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:28,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:28,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:28,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:28,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 01:06:28,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:28,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:28,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:28,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:28,996 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:29,010 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 01:06:29,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 01:06:29,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:29,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:29,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:29,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:29,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:29,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:29,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:29,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:29,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:29,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:29,076 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:29,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:29,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:29,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:29,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:29,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:29,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:29,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:29,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:29,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 01:06:29,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:29,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:29,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:29,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:29,160 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:29,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:29,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:29,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:29,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:29,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:29,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:29,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:29,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 01:06:29,192 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:06:29,203 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:06:29,203 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:06:29,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:29,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:29,205 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:29,206 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:06:29,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 01:06:29,225 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:06:29,225 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:06:29,225 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)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3 Supporting invariants [] [2021-10-13 01:06:29,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:29,339 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:06:29,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:29,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:06:29,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:29,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:06:29,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:29,525 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 01:06:29,526 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 01:06:29,526 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:29,564 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 66 transitions. Complement of second has 7 states. [2021-10-13 01:06:29,568 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 01:06:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:29,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-13 01:06:29,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-13 01:06:29,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:29,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-13 01:06:29,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:29,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 12 letters. [2021-10-13 01:06:29,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:29,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 66 transitions. [2021-10-13 01:06:29,572 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-10-13 01:06:29,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 54 states and 65 transitions. [2021-10-13 01:06:29,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-13 01:06:29,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-13 01:06:29,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 65 transitions. [2021-10-13 01:06:29,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:06:29,574 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2021-10-13 01:06:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 65 transitions. [2021-10-13 01:06:29,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2021-10-13 01:06:29,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.1886792452830188) internal successors, (63), 52 states have internal predecessors, (63), 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 01:06:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2021-10-13 01:06:29,580 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 63 transitions. [2021-10-13 01:06:29,580 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 63 transitions. [2021-10-13 01:06:29,580 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:06:29,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 63 transitions. [2021-10-13 01:06:29,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-10-13 01:06:29,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:29,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:29,583 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2021-10-13 01:06:29,583 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:06:29,583 INFO L791 eck$LassoCheckResult]: Stem: 811#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 812#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~nondet16, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~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;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 827#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 855#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 854#L551-3 main_#t~short9 := main_#t~short7; 848#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 846#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 842#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10; 843#L554 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem13 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem13;call write~int(main_#t~nondet14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet14; 832#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 823#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 824#L551-3 main_#t~short9 := main_#t~short7; 826#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 828#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 844#L552 [2021-10-13 01:06:29,584 INFO L793 eck$LassoCheckResult]: Loop: 844#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11; 845#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 853#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 851#L551-3 main_#t~short9 := main_#t~short7; 849#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 847#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 844#L552 [2021-10-13 01:06:29,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:29,584 INFO L82 PathProgramCache]: Analyzing trace with hash 48967168, now seen corresponding path program 2 times [2021-10-13 01:06:29,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:29,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770384404] [2021-10-13 01:06:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:29,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:29,599 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:29,620 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:29,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:29,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1695896472, now seen corresponding path program 3 times [2021-10-13 01:06:29,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:29,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652297548] [2021-10-13 01:06:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:29,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:29,628 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:29,640 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:29,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1971308119, now seen corresponding path program 1 times [2021-10-13 01:06:29,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:29,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363439334] [2021-10-13 01:06:29,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:29,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:29,681 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:29,705 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:30,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:30,858 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:30,859 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:30,859 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:30,859 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:30,859 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:06:30,859 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:30,859 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:30,860 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:30,860 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration5_Lasso [2021-10-13 01:06:30,860 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:30,860 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:30,865 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 01:06:30,868 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 01:06:30,870 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 01:06:30,873 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 01:06:30,875 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 01:06:30,878 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 01:06:30,880 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 01:06:30,882 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 01:06:30,890 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 01:06:30,892 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 01:06:30,895 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 01:06:31,352 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 01:06:31,355 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 01:06:31,357 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 01:06:31,359 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 01:06:31,362 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 01:06:31,364 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 01:06:31,367 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 01:06:31,370 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 01:06:31,830 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:31,831 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:06:31,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:31,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:31,832 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:31,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 01:06:31,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:31,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:31,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:31,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:31,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:31,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:31,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:31,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:31,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:31,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 01:06:31,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:31,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:31,866 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:31,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 01:06:31,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:31,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:31,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:31,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:31,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:31,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:31,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:31,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:31,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:31,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-13 01:06:31,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:31,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:31,898 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:31,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 01:06:31,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:31,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:31,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:31,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:31,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:31,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:31,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:31,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:31,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-13 01:06:31,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:31,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:31,943 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:31,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 01:06:31,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:31,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:31,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:31,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:31,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:31,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:31,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:31,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:31,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:31,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-13 01:06:31,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:31,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:31,981 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:31,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 01:06:31,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:31,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:31,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:31,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:31,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:31,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:31,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:31,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:32,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,020 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 01:06:32,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:32,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:32,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:32,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:32,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-13 01:06:32,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,054 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 01:06:32,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:32,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:32,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:32,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:32,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-13 01:06:32,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,091 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 01:06:32,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:32,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:32,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:32,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:32,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-13 01:06:32,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,124 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 01:06:32,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:32,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:32,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:32,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:32,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-13 01:06:32,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,165 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 01:06:32,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:32,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:32,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:32,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-13 01:06:32,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,200 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 01:06:32,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:32,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:32,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:32,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-13 01:06:32,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,239 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 01:06:32,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:32,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:32,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:32,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-13 01:06:32,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,300 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 01:06:32,302 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 01:06:32,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:32,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:32,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:32,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,381 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:32,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:32,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:32,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 01:06:32,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:32,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,449 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:32,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:32,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:32,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 01:06:32,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:32,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,515 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:32,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:32,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:32,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 01:06:32,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:32,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-13 01:06:32,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,586 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 01:06:32,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:32,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:32,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:32,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:32,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:32,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:32,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:32,606 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:06:32,613 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:06:32,613 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-13 01:06:32,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:32,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:32,614 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:32,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 01:06:32,618 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:06:32,627 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:06:32,627 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:06:32,627 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)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_4 Supporting invariants [] [2021-10-13 01:06:32,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:32,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:32,734 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:06:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:32,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:06:32,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:32,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:06:32,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:32,839 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 25 treesize of output 13 [2021-10-13 01:06:32,924 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 01:06:32,925 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 01:06:32,925 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:32,981 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 74 states and 87 transitions. Complement of second has 9 states. [2021-10-13 01:06:32,982 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 01:06:32,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-10-13 01:06:32,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 01:06:32,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:32,987 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:06:32,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:33,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:06:33,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:33,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:06:33,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:33,074 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 25 treesize of output 13 [2021-10-13 01:06:33,158 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 01:06:33,159 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-13 01:06:33,159 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:33,207 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 83 transitions. Complement of second has 11 states. [2021-10-13 01:06:33,208 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 01:06:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-10-13 01:06:33,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 01:06:33,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:33,209 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:06:33,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:33,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:06:33,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:33,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:06:33,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:33,304 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 25 treesize of output 13 [2021-10-13 01:06:33,395 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 01:06:33,396 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 4 loop predicates [2021-10-13 01:06:33,396 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:33,440 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 118 states and 142 transitions. Complement of second has 10 states. [2021-10-13 01:06:33,441 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 01:06:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-13 01:06:33,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 01:06:33,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:33,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 20 letters. Loop has 6 letters. [2021-10-13 01:06:33,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:33,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 12 letters. [2021-10-13 01:06:33,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:33,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 142 transitions. [2021-10-13 01:06:33,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-10-13 01:06:33,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 90 states and 103 transitions. [2021-10-13 01:06:33,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-10-13 01:06:33,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2021-10-13 01:06:33,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 103 transitions. [2021-10-13 01:06:33,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:06:33,451 INFO L681 BuchiCegarLoop]: Abstraction has 90 states and 103 transitions. [2021-10-13 01:06:33,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 103 transitions. [2021-10-13 01:06:33,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 67. [2021-10-13 01:06:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 66 states have internal predecessors, (80), 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 01:06:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2021-10-13 01:06:33,457 INFO L704 BuchiCegarLoop]: Abstraction has 67 states and 80 transitions. [2021-10-13 01:06:33,457 INFO L587 BuchiCegarLoop]: Abstraction has 67 states and 80 transitions. [2021-10-13 01:06:33,458 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 01:06:33,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 80 transitions. [2021-10-13 01:06:33,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-10-13 01:06:33,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:33,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:33,460 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:33,460 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1] [2021-10-13 01:06:33,460 INFO L791 eck$LassoCheckResult]: Stem: 1465#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1466#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~nondet16, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~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;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 1480#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1498#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1494#L551-3 main_#t~short9 := main_#t~short7; 1491#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1489#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1486#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10; 1487#L554 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16; 1471#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1472#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1476#L551-3 main_#t~short9 := main_#t~short7; 1478#L551-4 [2021-10-13 01:06:33,461 INFO L793 eck$LassoCheckResult]: Loop: 1478#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1467#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1468#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10; 1481#L554 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem13 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem13;call write~int(main_#t~nondet14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet14; 1504#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1526#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1525#L551-3 main_#t~short9 := main_#t~short7; 1524#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1523#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1522#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11; 1474#L554-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1475#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1531#L551-3 main_#t~short9 := main_#t~short7; 1478#L551-4 [2021-10-13 01:06:33,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:33,461 INFO L82 PathProgramCache]: Analyzing trace with hash -285922666, now seen corresponding path program 2 times [2021-10-13 01:06:33,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:33,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007590914] [2021-10-13 01:06:33,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:33,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:33,482 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:33,511 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:33,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:33,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1998556810, now seen corresponding path program 1 times [2021-10-13 01:06:33,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:33,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141977862] [2021-10-13 01:06:33,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:33,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:33,531 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:33,571 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:33,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:33,571 INFO L82 PathProgramCache]: Analyzing trace with hash 691396865, now seen corresponding path program 1 times [2021-10-13 01:06:33,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:33,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145208759] [2021-10-13 01:06:33,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:33,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:33,590 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:33,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:35,020 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:35,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:35,021 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:35,021 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:35,021 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:06:35,021 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:35,021 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:35,021 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:35,021 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration6_Lasso [2021-10-13 01:06:35,021 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:35,021 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:35,026 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 01:06:35,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:35,031 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 01:06:35,034 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 01:06:35,037 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 01:06:35,428 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 01:06:35,430 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 01:06:35,432 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 01:06:35,434 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 01:06:35,436 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 01:06:35,437 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 01:06:35,441 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 01:06:35,442 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 01:06:35,445 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 01:06:35,447 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 01:06:35,451 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 01:06:35,453 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 01:06:35,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:35,911 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:06:35,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:35,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:35,914 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:35,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 01:06:35,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:35,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:35,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:35,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:35,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:35,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:35,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:35,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:35,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:35,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-13 01:06:35,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:35,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:35,963 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:35,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 01:06:35,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:35,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:35,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:35,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:35,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:35,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:35,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:35,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:36,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-13 01:06:36,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,001 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 01:06:36,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:36,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:36,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:36,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:36,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:36,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:36,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:36,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:36,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:36,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,054 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 01:06:36,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:36,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:36,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:36,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:36,064 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:06:36,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:36,065 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 01:06:36,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:36,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:36,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:36,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,091 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 01:06:36,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:36,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:36,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:36,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:36,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:36,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:36,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:36,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:36,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:36,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,144 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 01:06:36,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:36,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:36,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:36,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:36,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:36,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:36,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:36,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:36,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:36,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,187 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:36,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 01:06:36,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:36,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:36,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:36,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:36,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:36,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:36,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:36,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:36,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,228 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-13 01:06:36,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:36,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:36,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:36,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:36,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:36,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:36,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:36,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:36,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:36,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,285 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 01:06:36,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:36,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:36,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:36,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:36,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:06:36,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:06:36,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-13 01:06:36,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:06:36,318 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-13 01:06:36,318 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-13 01:06:36,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:36,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:36,319 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:36,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-13 01:06:36,339 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:06:36,347 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2021-10-13 01:06:36,348 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:06:36,348 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem5) = 1*ULTIMATE.start_main_#t~mem5 Supporting invariants [2*ULTIMATE.start_main_#t~mem5 - 1 >= 0, 1*ULTIMATE.start_main_#t~mem5 - 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_5 >= 0] [2021-10-13 01:06:36,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-13 01:06:36,493 INFO L297 tatePredicateManager]: 24 out of 26 supporting invariants were superfluous and have been removed [2021-10-13 01:06:36,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:36,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:06:36,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:36,564 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:06:36,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-13 01:06:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:36,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 01:06:36,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:36,806 INFO L354 Elim1Store]: treesize reduction 34, result has 57.0 percent of original size [2021-10-13 01:06:36,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 55 [2021-10-13 01:06:37,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:37,888 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-10-13 01:06:37,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 66 [2021-10-13 01:06:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:38,686 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 9 loop predicates [2021-10-13 01:06:38,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:04,321 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 113 states and 132 transitions. Complement of second has 27 states. [2021-10-13 01:09:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 3 stem states 11 non-accepting loop states 1 accepting loop states [2021-10-13 01:09:04,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2021-10-13 01:09:04,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. Stem has 12 letters. Loop has 13 letters. [2021-10-13 01:09:04,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:04,323 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:09:04,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:04,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:09:04,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:04,397 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:09:04,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-13 01:09:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:04,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 01:09:04,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:04,647 INFO L354 Elim1Store]: treesize reduction 34, result has 57.0 percent of original size [2021-10-13 01:09:04,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 55 [2021-10-13 01:09:05,757 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-10-13 01:09:05,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 66 [2021-10-13 01:09:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:06,435 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 9 loop predicates [2021-10-13 01:09:06,436 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:10:49,200 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 109 states and 127 transitions. Complement of second has 27 states. [2021-10-13 01:10:49,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 3 stem states 11 non-accepting loop states 1 accepting loop states [2021-10-13 01:10:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:10:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-10-13 01:10:49,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. Stem has 12 letters. Loop has 13 letters. [2021-10-13 01:10:49,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:10:49,203 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:10:49,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:10:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:10:49,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 01:10:49,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:10:49,273 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 14 treesize of output 12 [2021-10-13 01:10:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:10:49,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 01:10:49,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:10:49,560 INFO L354 Elim1Store]: treesize reduction 34, result has 57.0 percent of original size [2021-10-13 01:10:49,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 55 [2021-10-13 01:10:50,826 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-10-13 01:10:50,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 69 [2021-10-13 01:10:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:10:52,419 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 9 loop predicates [2021-10-13 01:10:52,420 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:50,253 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-13 01:11:50,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 101 [2021-10-13 01:11:50,254 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:676) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiHoareTripleChecker.checkInternal(BuchiHoareTripleChecker.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiInterpolantAutomatonBouncer.addNonAcceptingSuccLoop(BuchiInterpolantAutomatonBouncer.java:395) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiInterpolantAutomatonBouncer.computeSuccsLoop(BuchiInterpolantAutomatonBouncer.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiInterpolantAutomatonBouncer.computeSuccs(BuchiInterpolantAutomatonBouncer.java:246) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiInterpolantAutomatonBouncer.computeSuccs(BuchiInterpolantAutomatonBouncer.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.NwaToBuchiWrapper.computeSuccessorsInternal(NwaToBuchiWrapper.java:134) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.StateNWA.getSuccessorsInternal(StateNWA.java:55) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.automata.BuchiNwa.getSuccessorsInternal(BuchiNwa.java:141) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.complement.StateNwaNCSB.computeSuccDoubleDeckers_CallOrInternal(StateNwaNCSB.java:103) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.complement.StateNwaNCSB.computeSuccCallOrInternal(StateNwaNCSB.java:160) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.complement.StateNwaNCSB.getSuccessorsInternal(StateNwaNCSB.java:195) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiComplementNCSBSimpleNwa2.internalSuccessors(BuchiComplementNCSBSimpleNwa2.java:263) at de.uni_freiburg.informatik.ultimate.automata.nestedword.NwaOutgoingLetterAndTransitionAdapter.internalSuccessors(NwaOutgoingLetterAndTransitionAdapter.java:114) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiIntersectNwa.internalSuccessors(BuchiIntersectNwa.java:229) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiIntersectNwa.internalSuccessors(BuchiIntersectNwa.java:220) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.AbstractBuchiDifference.constructDifferenceFromComplement(AbstractBuchiDifference.java:90) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiDifferenceNCSBLazy3.constructResult(BuchiDifferenceNCSBLazy3.java:83) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiDifferenceNCSBLazy3.(BuchiDifferenceNCSBLazy3.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.nsbcDifference(RefineBuchi.java:535) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:731) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 50 more [2021-10-13 01:11:50,259 INFO L168 Benchmark]: Toolchain (without parser) took 334537.75 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 62.5 MB in the beginning and 34.8 MB in the end (delta: 27.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:50,259 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:11:50,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.15 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 67.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:50,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.57 ms. Allocated memory is still 96.5 MB. Free memory was 67.7 MB in the beginning and 65.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:50,260 INFO L168 Benchmark]: Boogie Preprocessor took 64.26 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 64.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:50,261 INFO L168 Benchmark]: RCFGBuilder took 502.59 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 54.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:50,261 INFO L168 Benchmark]: BuchiAutomizer took 333192.15 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 54.0 MB in the beginning and 34.8 MB in the end (delta: 19.2 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:50,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.15 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 67.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.57 ms. Allocated memory is still 96.5 MB. Free memory was 67.7 MB in the beginning and 65.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.26 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 64.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 502.59 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 54.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 333192.15 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 54.0 MB in the beginning and 34.8 MB in the end (delta: 19.2 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f90435-c038-43a0-ab12-365f01d99393/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...