./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrlen_malloc.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_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/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_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrlen_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/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_77711061-1f89-41c6-84cd-eb1005c83891/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 df00388ee02e9eb4eefa9325fb06df0e14414ced ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:30:20,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:30:20,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:30:20,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:30:20,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:30:20,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:30:20,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:30:20,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:30:20,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:30:20,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:30:20,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:30:20,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:30:20,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:30:20,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:30:20,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:30:20,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:30:20,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:30:20,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:30:20,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:30:20,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:30:20,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:30:20,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:30:20,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:30:20,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:30:20,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:30:20,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:30:20,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:30:20,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:30:20,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:30:20,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:30:20,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:30:20,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:30:20,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:30:20,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:30:20,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:30:20,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:30:20,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:30:20,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:30:20,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:30:20,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:30:20,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:30:20,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:30:20,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:30:20,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:30:20,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:30:20,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:30:20,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:30:20,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:30:20,718 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:30:20,718 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:30:20,718 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:30:20,719 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:30:20,719 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:30:20,720 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:30:20,720 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:30:20,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:30:20,721 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:30:20,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:30:20,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:30:20,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:30:20,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:30:20,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:30:20,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:30:20,723 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:30:20,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:30:20,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:30:20,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:30:20,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:30:20,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:30:20,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:30:20,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:30:20,741 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:30:20,742 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_77711061-1f89-41c6-84cd-eb1005c83891/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df00388ee02e9eb4eefa9325fb06df0e14414ced [2021-10-13 00:30:21,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:30:21,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:30:21,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:30:21,149 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:30:21,150 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:30:21,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-15/cstrlen_malloc.i [2021-10-13 00:30:21,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/data/b677cd592/151b137daec34689b3998bf080c6f475/FLAGd4e26cea1 [2021-10-13 00:30:22,075 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:30:22,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/sv-benchmarks/c/termination-15/cstrlen_malloc.i [2021-10-13 00:30:22,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/data/b677cd592/151b137daec34689b3998bf080c6f475/FLAGd4e26cea1 [2021-10-13 00:30:22,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/data/b677cd592/151b137daec34689b3998bf080c6f475 [2021-10-13 00:30:22,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:30:22,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:30:22,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:30:22,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:30:22,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:30:22,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:22,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15242d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22, skipping insertion in model container [2021-10-13 00:30:22,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:22,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:30:22,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:30:22,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:30:22,784 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:30:22,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:30:22,886 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:30:22,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22 WrapperNode [2021-10-13 00:30:22,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:30:22,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:30:22,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:30:22,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:30:22,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:22,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:22,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:30:22,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:30:22,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:30:22,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:30:22,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:22,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:22,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:22,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:23,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:23,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:23,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:23,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:30:23,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:30:23,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:30:23,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:30:23,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (1/1) ... [2021-10-13 00:30:23,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:23,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:23,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:23,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:30:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:30:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:30:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:30:23,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:30:23,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:30:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:30:23,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:30:23,363 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:30:23,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:23 BoogieIcfgContainer [2021-10-13 00:30:23,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:30:23,367 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:30:23,367 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:30:23,371 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:30:23,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:23,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:30:22" (1/3) ... [2021-10-13 00:30:23,374 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30ab5637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:30:23, skipping insertion in model container [2021-10-13 00:30:23,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:23,374 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:22" (2/3) ... [2021-10-13 00:30:23,375 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30ab5637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:30:23, skipping insertion in model container [2021-10-13 00:30:23,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:23,375 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:23" (3/3) ... [2021-10-13 00:30:23,377 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrlen_malloc.i [2021-10-13 00:30:23,447 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:30:23,447 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:30:23,448 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:30:23,448 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:30:23,448 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:30:23,448 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:30:23,448 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:30:23,449 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:30:23,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:30:23,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:30:23,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:30:23,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:30:23,541 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:30:23,542 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:30:23,542 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:30:23,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:30:23,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:30:23,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:30:23,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:30:23,546 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:30:23,546 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:30:23,554 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet207, main_#t~malloc208.base, main_#t~malloc208.offset, main_#t~ret209, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~res~0;main_~length1~0 := main_#t~nondet207;havoc main_#t~nondet207; 12#L373true assume !(main_~length1~0 < 1); 10#L373-2true call main_#t~malloc208.base, main_#t~malloc208.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc208.base, main_#t~malloc208.offset;havoc main_#t~malloc208.base, main_#t~malloc208.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset, cstrlen_#t~mem205, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 3#L367-3true [2021-10-13 00:30:23,555 INFO L793 eck$LassoCheckResult]: Loop: 3#L367-3true call cstrlen_#t~mem205 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 11#L367-1true assume !!(0 != cstrlen_#t~mem205);havoc cstrlen_#t~mem205;cstrlen_#t~post206.base, cstrlen_#t~post206.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post206.base, 1 + cstrlen_#t~post206.offset;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset; 3#L367-3true [2021-10-13 00:30:23,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:23,563 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-13 00:30:23,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:23,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176747696] [2021-10-13 00:30:23,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:23,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:23,736 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:23,784 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:23,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:23,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2021-10-13 00:30:23,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:23,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82286970] [2021-10-13 00:30:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:23,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:23,820 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:23,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:23,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:23,852 INFO L82 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2021-10-13 00:30:23,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:23,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891447243] [2021-10-13 00:30:23,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:23,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:23,902 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:23,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:24,618 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:30:24,619 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:30:24,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:30:24,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:30:24,620 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:30:24,622 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:24,622 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:30:24,623 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:30:24,623 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen_malloc.i_Iteration1_Lasso [2021-10-13 00:30:24,623 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:30:24,623 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:30:24,653 INFO 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 00:30:24,660 INFO 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 00:30:24,663 INFO 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 00:30:24,895 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 00:30:24,898 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 00:30:24,902 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 00:30:24,906 INFO 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 00:30:24,910 INFO 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 00:30:24,916 INFO 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 00:30:24,920 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 00:30:24,923 INFO 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 00:30:24,927 INFO 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 00:30:24,930 INFO 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 00:30:25,351 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:30:25,356 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:30:25,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:25,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:25,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:25,372 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 00:30:25,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:25,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:25,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:25,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:25,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:25,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:25,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:25,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:30:25,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:25,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 00:30:25,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:25,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:25,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:25,453 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 00:30:25,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:25,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:25,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:25,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:25,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:25,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:25,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:25,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:30:25,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:25,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:25,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:25,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:25,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:25,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:30:25,529 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 00:30:25,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:25,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:25,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:25,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:25,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:25,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:25,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:25,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:25,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:25,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:25,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:25,619 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 00:30:25,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:25,631 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-13 00:30:25,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:25,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:25,650 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-13 00:30:25,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:25,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:30:25,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:25,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:25,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:25,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:25,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:25,727 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 00:30:25,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:25,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:25,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:25,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:25,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:25,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:25,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:30:25,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:25,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:25,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:25,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:25,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:25,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:30:25,820 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 00:30:25,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:25,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:25,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:25,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:25,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:25,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:25,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:25,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:25,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:25,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:25,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:25,909 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 00:30:25,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:25,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:25,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:25,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:25,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:25,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:25,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:30:25,960 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:30:26,052 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-13 00:30:26,052 INFO L444 ModelExtractionUtils]: 13 out of 25 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-13 00:30:26,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:26,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:26,066 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:26,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:30:26,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:30:26,125 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:30:26,125 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:30:26,126 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0.offset, v_rep(select #length ULTIMATE.start_cstrlen_~p~0.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrlen_~p~0.base)_1 Supporting invariants [] [2021-10-13 00:30:26,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:26,179 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-13 00:30:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:30:26,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:30:26,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:30:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:30:26,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:30:26,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:30:26,334 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 00:30:26,353 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:30:26,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:30:26,408 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 26 transitions. Complement of second has 5 states. [2021-10-13 00:30:26,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:30:26,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:30:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-13 00:30:26,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:30:26,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:30:26,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-13 00:30:26,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:30:26,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-13 00:30:26,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:30:26,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2021-10-13 00:30:26,419 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:30:26,422 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-13 00:30:26,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:30:26,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:30:26,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:30:26,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:30:26,424 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:30:26,425 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:30:26,425 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:30:26,425 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:30:26,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:30:26,425 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:30:26,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:30:26,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:30:26 BoogieIcfgContainer [2021-10-13 00:30:26,432 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:30:26,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:30:26,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:30:26,433 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:30:26,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:23" (3/4) ... [2021-10-13 00:30:26,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:30:26,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:30:26,440 INFO L168 Benchmark]: Toolchain (without parser) took 4125.54 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 65.1 MB in the beginning and 109.7 MB in the end (delta: -44.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:26,440 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 109.1 MB. Free memory is still 82.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:26,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.19 ms. Allocated memory is still 109.1 MB. Free memory was 64.9 MB in the beginning and 75.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:26,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.03 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 73.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:26,443 INFO L168 Benchmark]: Boogie Preprocessor took 57.53 ms. Allocated memory is still 109.1 MB. Free memory was 73.8 MB in the beginning and 72.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:26,444 INFO L168 Benchmark]: RCFGBuilder took 336.79 ms. Allocated memory is still 109.1 MB. Free memory was 72.4 MB in the beginning and 63.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:26,445 INFO L168 Benchmark]: BuchiAutomizer took 3065.66 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 63.0 MB in the beginning and 110.6 MB in the end (delta: -47.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:26,445 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 148.9 MB. Free memory was 110.6 MB in the beginning and 109.7 MB in the end (delta: 889.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:26,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 109.1 MB. Free memory is still 82.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 571.19 ms. Allocated memory is still 109.1 MB. Free memory was 64.9 MB in the beginning and 75.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.03 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 73.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.53 ms. Allocated memory is still 109.1 MB. Free memory was 73.8 MB in the beginning and 72.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 336.79 ms. Allocated memory is still 109.1 MB. Free memory was 72.4 MB in the beginning and 63.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3065.66 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 63.0 MB in the beginning and 110.6 MB in the end (delta: -47.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.05 ms. Allocated memory is still 148.9 MB. Free memory was 110.6 MB in the beginning and 109.7 MB in the end (delta: 889.9 kB). 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 * p + unknown-#length-unknown[p] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 9 SDtfs, 15 SDslu, 4 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital112 mio100 ax100 hnf100 lsp94 ukn88 mio100 lsp46 div100 bol100 ite100 ukn100 eq186 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 65ms VariablesStem: 5 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:30:26,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:26,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77711061-1f89-41c6-84cd-eb1005c83891/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...