./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg --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 32bit --witnessprinter.graph.data.programhash 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:34:37,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:34:37,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:34:37,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:34:37,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:34:37,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:34:37,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:34:37,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:34:37,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:34:37,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:34:37,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:34:37,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:34:37,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:34:37,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:34:37,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:34:37,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:34:37,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:34:37,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:34:37,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:34:37,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:34:37,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:34:37,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:34:37,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:34:37,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:34:37,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:34:37,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:34:37,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:34:37,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:34:37,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:34:37,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:34:37,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:34:37,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:34:37,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:34:37,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:34:37,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:34:37,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:34:37,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:34:37,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:34:37,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:34:37,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:34:37,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:34:37,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:34:37,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:34:37,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:34:37,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:34:37,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:34:37,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:34:37,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:34:37,148 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:34:37,149 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:34:37,149 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:34:37,149 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:34:37,149 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:34:37,149 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:34:37,150 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:34:37,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:34:37,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:34:37,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:34:37,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:34:37,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:34:37,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:34:37,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:34:37,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:34:37,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:34:37,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:34:37,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:34:37,152 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:34:37,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:34:37,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:34:37,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:34:37,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:34:37,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:34:37,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:34:37,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:34:37,154 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:34:37,154 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_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2021-10-28 09:34:37,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:34:37,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:34:37,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:34:37,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:34:37,496 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:34:37,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loop-invgen/id_trans.i [2021-10-28 09:34:37,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/data/2e703a78d/2ae5f6f56af74dda8164f32c1b1ce5d9/FLAG8210a5d08 [2021-10-28 09:34:38,043 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:34:38,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/sv-benchmarks/c/loop-invgen/id_trans.i [2021-10-28 09:34:38,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/data/2e703a78d/2ae5f6f56af74dda8164f32c1b1ce5d9/FLAG8210a5d08 [2021-10-28 09:34:38,437 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/data/2e703a78d/2ae5f6f56af74dda8164f32c1b1ce5d9 [2021-10-28 09:34:38,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:34:38,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:34:38,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:34:38,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:34:38,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:34:38,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f3fb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38, skipping insertion in model container [2021-10-28 09:34:38,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:34:38,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:34:38,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-10-28 09:34:38,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:34:38,690 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:34:38,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-10-28 09:34:38,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:34:38,721 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:34:38,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38 WrapperNode [2021-10-28 09:34:38,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:34:38,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:34:38,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:34:38,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:34:38,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:34:38,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:34:38,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:34:38,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:34:38,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:34:38,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:34:38,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:34:38,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:34:38,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (1/1) ... [2021-10-28 09:34:38,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:38,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:38,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:38,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:34:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:34:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:34:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:34:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:34:39,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:34:39,095 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-28 09:34:39,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:34:39 BoogieIcfgContainer [2021-10-28 09:34:39,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:34:39,098 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:34:39,099 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:34:39,114 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:34:39,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:34:39,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:34:38" (1/3) ... [2021-10-28 09:34:39,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62a22f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:34:39, skipping insertion in model container [2021-10-28 09:34:39,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:34:39,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:34:38" (2/3) ... [2021-10-28 09:34:39,117 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62a22f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:34:39, skipping insertion in model container [2021-10-28 09:34:39,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:34:39,117 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:34:39" (3/3) ... [2021-10-28 09:34:39,118 INFO L389 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2021-10-28 09:34:39,160 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:34:39,160 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:34:39,160 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:34:39,160 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:34:39,161 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:34:39,161 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:34:39,161 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:34:39,161 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:34:39,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2021-10-28 09:34:39,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 09:34:39,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:34:39,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:34:39,229 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:34:39,230 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:34:39,230 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:34:39,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2021-10-28 09:34:39,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 09:34:39,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:34:39,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:34:39,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:34:39,233 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:34:39,238 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 9#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~post6, main_~idBitLength~0, main_~material_length~0, main_~nlen~0, main_~j~0, main_~k~0;havoc main_~idBitLength~0;havoc main_~material_length~0;havoc main_~nlen~0;havoc main_~j~0;havoc main_~k~0;main_~nlen~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~idBitLength~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~material_length~0 := main_#t~nondet5;havoc main_#t~nondet5; 6#L30true assume !!(main_~nlen~0 == (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 32 then 1 + main_~idBitLength~0 / 32 else main_~idBitLength~0 / 32));main_~j~0 := 0; 19#L31-2true [2021-10-28 09:34:39,239 INFO L793 eck$LassoCheckResult]: Loop: 19#L31-2true assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 8 then 1 + main_~idBitLength~0 / 8 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 14#L18true assume !(0 == __VERIFIER_assert_~cond); 16#L18-2true __VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 18#L18-3true assume !(0 == __VERIFIER_assert_~cond); 7#L18-5true __VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 17#L18-6true assume !(0 == __VERIFIER_assert_~cond); 10#L18-8true __VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 13#L18-9true assume !(0 == __VERIFIER_assert_~cond); 15#L18-11true main_#t~post6 := main_~j~0;main_~j~0 := 1 + main_#t~post6;havoc main_#t~post6; 19#L31-2true [2021-10-28 09:34:39,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:39,243 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 09:34:39,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:34:39,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437928052] [2021-10-28 09:34:39,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:39,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:34:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:34:39,354 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:34:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:34:39,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:34:39,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:39,396 INFO L85 PathProgramCache]: Analyzing trace with hash -188897221, now seen corresponding path program 1 times [2021-10-28 09:34:39,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:34:39,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113716072] [2021-10-28 09:34:39,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:39,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:34:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:34:39,432 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:34:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:34:39,454 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:34:39,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:39,456 INFO L85 PathProgramCache]: Analyzing trace with hash -960316680, now seen corresponding path program 1 times [2021-10-28 09:34:39,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:34:39,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214699024] [2021-10-28 09:34:39,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:39,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:34:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:34:39,553 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:34:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:34:39,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:34:40,123 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:34:40,123 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:34:40,123 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:34:40,124 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:34:40,124 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:34:40,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:34:40,124 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:34:40,124 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2021-10-28 09:34:40,124 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:34:40,125 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:34:40,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:34:40,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:34:40,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:34:40,276 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:34:40,277 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:34:40,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:40,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:40,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:34:40,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:34:40,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:34:40,328 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:34:40,328 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:34:40,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:34:40,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:40,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:40,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:34:40,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:34:40,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:34:40,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:34:40,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:40,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:40,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:34:40,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:34:40,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:34:40,550 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:34:40,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:34:40,556 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:34:40,556 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:34:40,556 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:34:40,556 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:34:40,557 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:34:40,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,557 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:34:40,557 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:34:40,557 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2021-10-28 09:34:40,557 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:34:40,557 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:34:40,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:34:40,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:34:40,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:34:40,664 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:34:40,668 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:34:40,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:40,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:40,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:34:40,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:34:40,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:34:40,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:34:40,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:34:40,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:34:40,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:34:40,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:34:40,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:34:40,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:34:40,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 09:34:40,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:40,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:40,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:34:40,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:34:40,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:34:40,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:34:40,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:34:40,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:34:40,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:34:40,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:34:40,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:34:40,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:34:40,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:34:40,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:40,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:40,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:34:40,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:34:40,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:34:40,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:34:40,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:34:40,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:34:40,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:34:40,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:34:40,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:34:40,798 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:34:40,804 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 09:34:40,804 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:34:40,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:34:40,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:40,807 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:34:40,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:34:40,848 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:34:40,849 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:34:40,849 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:34:40,849 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~nlen~0) = -1*ULTIMATE.start_main_~j~0 + 4*ULTIMATE.start_main_~nlen~0 Supporting invariants [] [2021-10-28 09:34:40,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:34:40,894 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:34:40,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:34:40,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:34:40,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:34:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:34:40,973 WARN L261 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:34:40,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:34:41,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:34:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:34:41,605 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:34:41,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:34:41,897 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 71 transitions. Complement of second has 13 states. [2021-10-28 09:34:41,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-28 09:34:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:34:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2021-10-28 09:34:41,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 50 transitions. Stem has 3 letters. Loop has 9 letters. [2021-10-28 09:34:41,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:34:41,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 50 transitions. Stem has 12 letters. Loop has 9 letters. [2021-10-28 09:34:41,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:34:41,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 50 transitions. Stem has 3 letters. Loop has 18 letters. [2021-10-28 09:34:41,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:34:41,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 71 transitions. [2021-10-28 09:34:41,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:34:41,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 0 states and 0 transitions. [2021-10-28 09:34:41,919 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:34:41,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:34:41,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:34:41,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:34:41,921 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:34:41,921 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:34:41,921 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:34:41,921 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:34:41,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:34:41,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:34:41,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:34:41,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:34:41 BoogieIcfgContainer [2021-10-28 09:34:41,927 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:34:41,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:34:41,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:34:41,928 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:34:41,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:34:39" (3/4) ... [2021-10-28 09:34:41,932 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:34:41,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:34:41,934 INFO L168 Benchmark]: Toolchain (without parser) took 3487.66 ms. Allocated memory was 77.6 MB in the beginning and 127.9 MB in the end (delta: 50.3 MB). Free memory was 45.7 MB in the beginning and 97.5 MB in the end (delta: -51.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:34:41,935 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory is still 42.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:34:41,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.34 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 45.5 MB in the beginning and 81.6 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:41,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 104.9 MB. Free memory was 81.3 MB in the beginning and 79.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:41,939 INFO L168 Benchmark]: Boogie Preprocessor took 21.35 ms. Allocated memory is still 104.9 MB. Free memory was 79.8 MB in the beginning and 78.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:34:41,946 INFO L168 Benchmark]: RCFGBuilder took 317.45 ms. Allocated memory is still 104.9 MB. Free memory was 78.8 MB in the beginning and 69.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:41,947 INFO L168 Benchmark]: BuchiAutomizer took 2829.10 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 69.1 MB in the beginning and 97.5 MB in the end (delta: -28.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:34:41,947 INFO L168 Benchmark]: Witness Printer took 4.52 ms. Allocated memory is still 127.9 MB. Free memory is still 97.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:34:41,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory is still 42.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.34 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 45.5 MB in the beginning and 81.6 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 104.9 MB. Free memory was 81.3 MB in the beginning and 79.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.35 ms. Allocated memory is still 104.9 MB. Free memory was 79.8 MB in the beginning and 78.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 317.45 ms. Allocated memory is still 104.9 MB. Free memory was 78.8 MB in the beginning and 69.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2829.10 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 69.1 MB in the beginning and 97.5 MB in the end (delta: -28.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.52 ms. Allocated memory is still 127.9 MB. Free memory is still 97.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * j + 4 * nlen and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 21 SDslu, 24 SDs, 0 SdLazy, 42 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf48 smp100 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:34:42,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a3820-f6a6-4cb5-bd6f-3310d10ea731/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...