./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY --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 d8adfff7e82315c87ecd35a52aa8c3250747b82419ef73977e38a97f4dddf8e4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:24:34,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:24:34,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:24:34,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:24:34,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:24:34,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:24:34,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:24:34,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:24:34,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:24:34,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:24:34,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:24:34,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:24:34,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:24:34,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:24:34,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:24:34,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:24:34,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:24:34,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:24:34,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:24:34,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:24:34,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:24:34,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:24:34,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:24:34,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:24:34,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:24:34,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:24:34,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:24:34,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:24:34,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:24:34,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:24:34,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:24:34,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:24:34,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:24:34,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:24:34,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:24:34,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:24:34,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:24:34,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:24:34,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:24:34,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:24:34,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:24:34,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-07 07:24:34,179 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:24:34,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:24:34,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:24:34,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:24:34,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:24:34,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:24:34,182 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:24:34,182 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 07:24:34,183 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 07:24:34,183 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 07:24:34,183 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 07:24:34,183 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 07:24:34,184 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 07:24:34,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:24:34,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 07:24:34,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:24:34,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:24:34,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 07:24:34,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 07:24:34,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 07:24:34,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:24:34,186 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 07:24:34,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:24:34,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 07:24:34,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:24:34,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:24:34,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:24:34,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:24:34,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:24:34,189 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 07:24:34,189 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_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8adfff7e82315c87ecd35a52aa8c3250747b82419ef73977e38a97f4dddf8e4 [2021-11-07 07:24:34,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:24:34,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:24:34,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:24:34,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:24:34,600 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:24:34,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2021-11-07 07:24:34,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/data/f68caa046/a093d56f8317498992a402679ab16a41/FLAG4bd467a5c [2021-11-07 07:24:35,358 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:24:35,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2021-11-07 07:24:35,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/data/f68caa046/a093d56f8317498992a402679ab16a41/FLAG4bd467a5c [2021-11-07 07:24:35,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/data/f68caa046/a093d56f8317498992a402679ab16a41 [2021-11-07 07:24:35,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:24:35,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:24:35,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:24:35,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:24:35,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:24:35,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:24:35" (1/1) ... [2021-11-07 07:24:35,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d035ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:35, skipping insertion in model container [2021-11-07 07:24:35,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:24:35" (1/1) ... [2021-11-07 07:24:35,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:24:35,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:24:36,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:24:36,095 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:24:36,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:24:36,202 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:24:36,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36 WrapperNode [2021-11-07 07:24:36,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:24:36,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:24:36,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:24:36,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:24:36,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:24:36,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:24:36,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:24:36,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:24:36,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:24:36,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:24:36,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:24:36,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:24:36,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (1/1) ... [2021-11-07 07:24:36,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:36,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:36,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 07:24:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 07:24:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 07:24:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 07:24:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 07:24:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 07:24:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:24:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:24:36,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:24:36,725 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-07 07:24:36,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:36 BoogieIcfgContainer [2021-11-07 07:24:36,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:24:36,728 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 07:24:36,728 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 07:24:36,733 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 07:24:36,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:24:36,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 07:24:35" (1/3) ... [2021-11-07 07:24:36,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44dee423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:24:36, skipping insertion in model container [2021-11-07 07:24:36,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:24:36,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:36" (2/3) ... [2021-11-07 07:24:36,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44dee423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:24:36, skipping insertion in model container [2021-11-07 07:24:36,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:24:36,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:36" (3/3) ... [2021-11-07 07:24:36,738 INFO L389 chiAutomizerObserver]: Analyzing ICFG cll_search-alloca-2.i [2021-11-07 07:24:36,787 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 07:24:36,788 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 07:24:36,788 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 07:24:36,788 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 07:24:36,788 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 07:24:36,788 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 07:24:36,788 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 07:24:36,788 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 07:24:36,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:24:36,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-07 07:24:36,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:24:36,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:24:36,829 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:24:36,829 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 07:24:36,830 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 07:24:36,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:24:36,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-07 07:24:36,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:24:36,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:24:36,832 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:24:36,832 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 07:24:36,843 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 6#L552-3true [2021-11-07 07:24:36,844 INFO L793 eck$LassoCheckResult]: Loop: 6#L552-3true assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;havoc init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; 3#L552-2true init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; 6#L552-3true [2021-11-07 07:24:36,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:24:36,858 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-07 07:24:36,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:24:36,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871754304] [2021-11-07 07:24:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:24:36,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:24:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:37,054 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:24:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:37,122 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:24:37,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:24:37,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-11-07 07:24:37,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:24:37,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748672446] [2021-11-07 07:24:37,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:24:37,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:24:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:37,167 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:24:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:37,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:24:37,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:24:37,245 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-11-07 07:24:37,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:24:37,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904655219] [2021-11-07 07:24:37,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:24:37,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:24:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:37,320 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:24:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:37,364 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:24:38,344 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:24:38,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:24:38,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:24:38,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:24:38,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:24:38,346 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:38,346 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:24:38,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:24:38,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_search-alloca-2.i_Iteration1_Lasso [2021-11-07 07:24:38,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:24:38,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:24:38,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:38,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:24:39,047 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:24:39,052 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:24:39,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,062 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 [2021-11-07 07:24:39,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-07 07:24:39,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-07 07:24:39,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,137 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 [2021-11-07 07:24:39,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-07 07:24:39,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,215 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 [2021-11-07 07:24:39,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 07:24:39,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,290 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 [2021-11-07 07:24:39,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 07:24:39,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,373 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 [2021-11-07 07:24:39,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 07:24:39,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,433 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 07:24:39,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:24:39,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,499 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 07:24:39,508 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 [2021-11-07 07:24:39,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-07 07:24:39,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,562 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 07:24:39,567 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 [2021-11-07 07:24:39,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,602 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-07 07:24:39,610 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 [2021-11-07 07:24:39,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,659 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,684 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 [2021-11-07 07:24:39,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-07 07:24:39,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,757 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 07:24:39,795 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 [2021-11-07 07:24:39,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:24:39,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:24:39,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,859 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 07:24:39,860 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 [2021-11-07 07:24:39,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:39,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:39,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:39,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,897 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,899 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 [2021-11-07 07:24:39,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 07:24:39,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:24:39,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:24:39,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:39,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:39,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:39,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:39,986 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:39,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-07 07:24:39,987 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 [2021-11-07 07:24:39,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:39,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:39,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:39,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:39,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:24:39,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:24:40,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:40,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:40,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:40,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:40,043 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:40,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-07 07:24:40,046 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 [2021-11-07 07:24:40,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:40,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:40,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:40,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:40,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:24:40,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:24:40,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:40,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:40,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:40,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:40,123 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:40,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-07 07:24:40,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:24:40,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:40,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:24:40,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:40,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:40,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:40,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:24:40,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:24:40,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:24:40,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:40,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:40,170 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:40,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 07:24:40,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:24:40,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:24:40,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:24:40,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:24:40,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:24:40,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:24:40,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:24:40,213 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:24:40,246 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-07 07:24:40,246 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-07 07:24:40,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:24:40,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:24:40,250 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:24:40,275 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:24:40,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 07:24:40,320 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-07 07:24:40,321 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:24:40,321 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n, ULTIMATE.start_init_cll_~i~0) = 1*ULTIMATE.start_init_cll_~n - 1*ULTIMATE.start_init_cll_~i~0 Supporting invariants [] [2021-11-07 07:24:40,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:40,373 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-11-07 07:24:40,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:24:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:24:40,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:24:40,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:24:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:24:40,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 07:24:40,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:24:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:24:40,500 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 [2021-11-07 07:24:40,502 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-07 07:24:40,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 30 states and 39 transitions. Complement of second has 7 states. [2021-11-07 07:24:40,566 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 [2021-11-07 07:24:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-07 07:24:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2021-11-07 07:24:40,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-07 07:24:40,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:24:40,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-07 07:24:40,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:24:40,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-07 07:24:40,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:24:40,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-11-07 07:24:40,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-07 07:24:40,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 9 states and 11 transitions. [2021-11-07 07:24:40,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-11-07 07:24:40,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-11-07 07:24:40,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-11-07 07:24:40,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:24:40,587 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-07 07:24:40,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-11-07 07:24:40,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 07:24:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:24:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-07 07:24:40,619 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-07 07:24:40,619 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-07 07:24:40,619 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 07:24:40,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-11-07 07:24:40,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-07 07:24:40,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:24:40,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:24:40,623 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-07 07:24:40,623 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 07:24:40,625 INFO L791 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 92#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 93#L552-3 assume !(init_cll_~i~0 < init_cll_~n); 94#L552-4 call write~$Pointer$(init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_#res.base, init_cll_#res.offset := init_cll_~head~0.base, init_cll_~head~0.offset; 95#L559 main_#t~ret8.base, main_#t~ret8.offset := init_cll_#res.base, init_cll_#res.offset;main_~head~1.base, main_~head~1.offset := main_#t~ret8.base, main_#t~ret8.offset;havoc main_#t~ret8.base, main_#t~ret8.offset;search_#in~head.base, search_#in~head.offset, search_#in~i := main_~head~1.base, main_~head~1.offset, main_#t~nondet9;havoc search_#t~mem6.base, search_#t~mem6.offset, search_#t~mem5, search_~head.base, search_~head.offset, search_~i, search_~curr~1.base, search_~curr~1.offset;search_~head.base, search_~head.offset := search_#in~head.base, search_#in~head.offset;search_~i := search_#in~i;search_~curr~1.base, search_~curr~1.offset := search_~head.base, search_~head.offset; 96#L564-3 [2021-11-07 07:24:40,625 INFO L793 eck$LassoCheckResult]: Loop: 96#L564-3 call search_#t~mem5 := read~int(search_~curr~1.base, search_~curr~1.offset, 4); 97#L564-1 assume !!(search_#t~mem5 != search_~i);havoc search_#t~mem5;call search_#t~mem6.base, search_#t~mem6.offset := read~$Pointer$(search_~curr~1.base, 4 + search_~curr~1.offset, 8);search_~curr~1.base, search_~curr~1.offset := search_#t~mem6.base, search_#t~mem6.offset;havoc search_#t~mem6.base, search_#t~mem6.offset; 96#L564-3 [2021-11-07 07:24:40,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:24:40,626 INFO L85 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2021-11-07 07:24:40,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:24:40,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220417135] [2021-11-07 07:24:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:24:40,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:24:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:40,660 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:24:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:40,695 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:24:40,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:24:40,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2021-11-07 07:24:40,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:24:40,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254256692] [2021-11-07 07:24:40,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:24:40,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:24:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:40,714 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:24:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:40,719 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:24:40,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:24:40,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1807951500, now seen corresponding path program 1 times [2021-11-07 07:24:40,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:24:40,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471269550] [2021-11-07 07:24:40,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:24:40,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:24:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:40,762 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:24:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:24:40,781 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:24:41,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-07 07:24:41,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 07:24:41 BoogieIcfgContainer [2021-11-07 07:24:41,698 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 07:24:41,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:24:41,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:24:41,699 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:24:41,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:36" (3/4) ... [2021-11-07 07:24:41,702 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-07 07:24:41,747 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 07:24:41,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:24:41,749 INFO L168 Benchmark]: Toolchain (without parser) took 6142.25 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 88.4 MB in the beginning and 116.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 166.4 kB. Max. memory is 16.1 GB. [2021-11-07 07:24:41,749 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 125.8 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:24:41,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.78 ms. Allocated memory is still 125.8 MB. Free memory was 88.1 MB in the beginning and 96.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 07:24:41,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.10 ms. Allocated memory is still 125.8 MB. Free memory was 96.5 MB in the beginning and 94.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:24:41,751 INFO L168 Benchmark]: Boogie Preprocessor took 54.39 ms. Allocated memory is still 125.8 MB. Free memory was 94.2 MB in the beginning and 93.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:24:41,751 INFO L168 Benchmark]: RCFGBuilder took 414.02 ms. Allocated memory is still 125.8 MB. Free memory was 93.1 MB in the beginning and 82.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 07:24:41,752 INFO L168 Benchmark]: BuchiAutomizer took 4969.97 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 82.3 MB in the beginning and 118.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. [2021-11-07 07:24:41,752 INFO L168 Benchmark]: Witness Printer took 48.88 ms. Allocated memory is still 155.2 MB. Free memory was 118.2 MB in the beginning and 116.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:24:41,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 125.8 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.78 ms. Allocated memory is still 125.8 MB. Free memory was 88.1 MB in the beginning and 96.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.10 ms. Allocated memory is still 125.8 MB. Free memory was 96.5 MB in the beginning and 94.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.39 ms. Allocated memory is still 125.8 MB. Free memory was 94.2 MB in the beginning and 93.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 414.02 ms. Allocated memory is still 125.8 MB. Free memory was 93.1 MB in the beginning and 82.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4969.97 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 82.3 MB in the beginning and 118.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. * Witness Printer took 48.88 ms. Allocated memory is still 155.2 MB. Free memory was 118.2 MB in the beginning and 116.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. 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) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i + n and consists of 5 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 11 SDslu, 16 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital251 mio100 ax100 hnf100 lsp97 ukn38 mio100 lsp26 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 75ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {i=1, NULL=0, curr=-1, \result=0, head=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2d1c9c25=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a8d2eaa=0, next_node=0, \result=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5866b70f=3, next_node=0, head=-1, head=-1, \old(i)=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2d1c9c25=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@eb04d58=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@660ac8e8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@1d859629=0, i=3, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a28c34f=0, head=-1, \old(n)=0, n=0, head=-1, head=0, n=0, head=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ad73c7b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a28c34f=0, curr=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ad73c7b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@660ac8e8=0, curr=-1, head=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] node_t* head = init_cll(n); [L563] node_t* curr = head; Loop: [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-07 07:24:41,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab707fa-7e5f-4762-a698-f4630688185d/bin/uautomizer-AkOaLMaTGY/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)