./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcat_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcat_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a --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 49ee62d4582077ea40eccd3b6a167211b0327741ab3db574b13fc7447950d902 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:17:16,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:17:16,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:17:16,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:17:16,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:17:16,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:17:16,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:17:16,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:17:16,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:17:16,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:17:16,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:17:16,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:17:16,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:17:16,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:17:16,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:17:16,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:17:16,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:17:16,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:17:16,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:17:16,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:17:16,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:17:16,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:17:16,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:17:16,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:17:16,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:17:16,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:17:16,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:17:16,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:17:16,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:17:16,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:17:16,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:17:16,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:17:16,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:17:16,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:17:16,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:17:16,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:17:16,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:17:16,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:17:16,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:17:16,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:17:16,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:17:16,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 17:17:16,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:17:16,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:17:16,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:17:16,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:17:16,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:17:16,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:17:16,165 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:17:16,165 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 17:17:16,165 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 17:17:16,165 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 17:17:16,166 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 17:17:16,167 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 17:17:16,167 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 17:17:16,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:17:16,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:17:16,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:17:16,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:17:16,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 17:17:16,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 17:17:16,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 17:17:16,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:17:16,169 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 17:17:16,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:17:16,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 17:17:16,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:17:16,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:17:16,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:17:16,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:17:16,172 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 17:17:16,173 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_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49ee62d4582077ea40eccd3b6a167211b0327741ab3db574b13fc7447950d902 [2022-11-21 17:17:16,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:17:16,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:17:16,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:17:16,478 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:17:16,478 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:17:16,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-15/cstrcat_malloc.i [2022-11-21 17:17:19,645 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:17:19,942 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:17:19,942 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/sv-benchmarks/c/termination-15/cstrcat_malloc.i [2022-11-21 17:17:19,956 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/data/52bd00a50/2761643f1f0640998939939c7d373578/FLAGdc6753ca4 [2022-11-21 17:17:19,976 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/data/52bd00a50/2761643f1f0640998939939c7d373578 [2022-11-21 17:17:19,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:17:19,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:17:19,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:17:19,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:17:19,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:17:19,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:17:19" (1/1) ... [2022-11-21 17:17:19,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50194dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:19, skipping insertion in model container [2022-11-21 17:17:19,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:17:19" (1/1) ... [2022-11-21 17:17:19,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:17:20,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:17:20,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:17:20,462 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:17:20,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:17:20,561 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:17:20,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20 WrapperNode [2022-11-21 17:17:20,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:17:20,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:17:20,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:17:20,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:17:20,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,625 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-11-21 17:17:20,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:17:20,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:17:20,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:17:20,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:17:20,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,660 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:17:20,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:17:20,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:17:20,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:17:20,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (1/1) ... [2022-11-21 17:17:20,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:20,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:20,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:20,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 17:17:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:17:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:17:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:17:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:17:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:17:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:17:20,861 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:17:20,863 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:17:21,093 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:17:21,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:17:21,099 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 17:17:21,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:17:21 BoogieIcfgContainer [2022-11-21 17:17:21,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:17:21,102 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 17:17:21,102 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 17:17:21,106 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 17:17:21,107 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:17:21,107 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 05:17:19" (1/3) ... [2022-11-21 17:17:21,108 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@452aac57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:17:21, skipping insertion in model container [2022-11-21 17:17:21,108 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:17:21,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:20" (2/3) ... [2022-11-21 17:17:21,109 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@452aac57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:17:21, skipping insertion in model container [2022-11-21 17:17:21,109 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:17:21,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:17:21" (3/3) ... [2022-11-21 17:17:21,111 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcat_malloc.i [2022-11-21 17:17:21,166 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 17:17:21,166 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 17:17:21,166 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 17:17:21,167 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 17:17:21,167 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 17:17:21,167 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 17:17:21,167 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 17:17:21,167 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 17:17:21,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-11-21 17:17:21,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-21 17:17:21,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:17:21,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:17:21,217 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-21 17:17:21,217 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 17:17:21,217 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 17:17:21,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-11-21 17:17:21,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-21 17:17:21,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:17:21,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:17:21,222 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-21 17:17:21,222 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 17:17:21,231 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet210#1, main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet210#1;havoc main_#t~nondet210#1;main_~length2~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~length3~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; 11#L377true assume !(main_~length1~0#1 < 1); 14#L377-2true assume !(main_~length2~0#1 < 2); 7#L380-1true assume !(main_~length3~0#1 < 1); 10#L383-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;havoc main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;havoc main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset, cstrcat_#t~mem205#1, cstrcat_#t~post207#1.base, cstrcat_#t~post207#1.offset, cstrcat_#t~post208#1.base, cstrcat_#t~post208#1.offset, cstrcat_#t~mem209#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 2#L367-3true [2022-11-21 17:17:21,232 INFO L750 eck$LassoCheckResult]: Loop: 2#L367-3true call cstrcat_#t~mem205#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 15#L367-1true assume !!(0 != cstrcat_#t~mem205#1);havoc cstrcat_#t~mem205#1;cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post206#1.base, 1 + cstrcat_#t~post206#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset; 2#L367-3true [2022-11-21 17:17:21,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:21,241 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2022-11-21 17:17:21,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:17:21,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830097623] [2022-11-21 17:17:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:21,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:17:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:17:21,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:17:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:17:21,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:17:21,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:21,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2022-11-21 17:17:21,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:17:21,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927789085] [2022-11-21 17:17:21,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:21,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:17:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:17:21,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:17:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:17:21,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:17:21,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:21,559 INFO L85 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2022-11-21 17:17:21,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:17:21,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453791555] [2022-11-21 17:17:21,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:21,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:17:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:17:21,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:17:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:17:21,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:17:22,587 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 17:17:22,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 17:17:22,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 17:17:22,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 17:17:22,589 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 17:17:22,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:22,590 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 17:17:22,590 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 17:17:22,590 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat_malloc.i_Iteration1_Lasso [2022-11-21 17:17:22,591 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 17:17:22,591 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 17:17:22,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:22,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:22,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:22,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:22,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:22,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:22,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,183 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:23,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:17:24,126 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 17:17:24,131 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 17:17:24,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 17:17:24,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 17:17:24,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:17:24,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:17:24,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:17:24,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:17:24,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:17:24,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:17:24,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:17:24,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:17:24,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:24,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,207 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,216 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 [2022-11-21 17:17:24,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 17:17:24,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:17:24,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:17:24,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:17:24,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:17:24,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:17:24,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:17:24,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:17:24,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:17:24,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:24,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,257 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 17:17:24,267 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 [2022-11-21 17:17:24,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:17:24,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:17:24,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:17:24,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:17:24,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:17:24,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:17:24,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:17:24,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:17:24,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:24,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,320 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 [2022-11-21 17:17:24,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:17:24,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:17:24,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:17:24,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:17:24,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 17:17:24,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:17:24,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:17:24,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:17:24,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:24,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,375 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 [2022-11-21 17:17:24,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 17:17:24,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:17:24,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:17:24,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:17:24,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:17:24,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:17:24,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:17:24,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:17:24,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:17:24,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:24,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,419 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 [2022-11-21 17:17:24,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:17:24,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:17:24,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:17:24,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:17:24,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:17:24,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:17:24,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:17:24,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 17:17:24,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:17:24,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:24,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,452 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 17:17:24,456 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 [2022-11-21 17:17:24,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:17:24,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:17:24,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:17:24,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:17:24,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:17:24,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:17:24,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:17:24,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:24,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,500 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 17:17:24,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 17:17:24,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:17:24,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:17:24,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:17:24,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:17:24,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:17:24,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:17:24,581 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 17:17:24,639 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-21 17:17:24,639 INFO L444 ModelExtractionUtils]: 12 out of 43 variables were initially zero. Simplification set additionally 28 variables to zero. [2022-11-21 17:17:24,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:17:24,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:24,714 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:24,775 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 17:17:24,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 17:17:24,804 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 17:17:24,804 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 17:17:24,805 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_cstrcat_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_cstrcat_~s~0#1.offset Supporting invariants [] [2022-11-21 17:17:24,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:24,843 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-11-21 17:17:24,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:24,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 17:17:24,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:17:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:24,958 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 17:17:24,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:17:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:17:25,034 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 17:17:25,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:17:25,106 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 45 transitions. Complement of second has 7 states. [2022-11-21 17:17:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 17:17:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:17:25,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-11-21 17:17:25,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-21 17:17:25,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:17:25,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-21 17:17:25,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:17:25,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-21 17:17:25,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:17:25,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2022-11-21 17:17:25,120 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 17:17:25,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2022-11-21 17:17:25,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 17:17:25,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 17:17:25,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 17:17:25,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:17:25,125 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:17:25,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:17:25,125 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:17:25,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 17:17:25,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:17:25,126 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 17:17:25,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 17:17:25,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 05:17:25 BoogieIcfgContainer [2022-11-21 17:17:25,133 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 17:17:25,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:17:25,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:17:25,134 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:17:25,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:17:21" (3/4) ... [2022-11-21 17:17:25,138 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:17:25,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:17:25,139 INFO L158 Benchmark]: Toolchain (without parser) took 5156.87ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 94.6MB in the beginning and 108.7MB in the end (delta: -14.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-21 17:17:25,139 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:17:25,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.87ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 76.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 17:17:25,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.44ms. Allocated memory is still 134.2MB. Free memory was 76.5MB in the beginning and 74.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:17:25,141 INFO L158 Benchmark]: Boogie Preprocessor took 35.94ms. Allocated memory is still 134.2MB. Free memory was 74.9MB in the beginning and 73.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:17:25,141 INFO L158 Benchmark]: RCFGBuilder took 437.46ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 61.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:17:25,142 INFO L158 Benchmark]: BuchiAutomizer took 4031.41ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 61.4MB in the beginning and 109.8MB in the end (delta: -48.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:17:25,142 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 169.9MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:17:25,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.87ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 76.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.44ms. Allocated memory is still 134.2MB. Free memory was 76.5MB in the beginning and 74.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.94ms. Allocated memory is still 134.2MB. Free memory was 74.9MB in the beginning and 73.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.46ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 61.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4031.41ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 61.4MB in the beginning and 109.8MB in the end (delta: -48.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 169.9MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. * 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 * s + unknown-#length-unknown[nondetString2] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 18 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax100 hnf100 lsp96 ukn79 mio100 lsp52 div192 bol100 ite100 ukn100 eq155 hnf92 smp66 dnf139 smp89 tf100 neg95 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 17:17:25,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 17:17:25,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5cb88b-fc6c-4e86-a43d-147a475b520a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE