./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/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_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 34137da927ca86d2fb49adf8270ebc903b8c1dbe ............................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 8249 column 554: unknown constant v_DerPreprocessor_1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:14:10,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:14:10,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:14:10,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:14:10,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:14:10,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:14:10,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:14:10,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:14:10,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:14:10,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:14:10,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:14:10,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:14:10,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:14:10,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:14:10,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:14:10,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:14:10,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:14:10,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:14:10,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:14:10,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:14:10,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:14:10,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:14:10,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:14:10,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:14:10,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:14:10,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:14:10,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:14:10,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:14:10,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:14:10,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:14:10,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:14:10,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:14:10,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:14:10,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:14:10,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:14:10,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:14:10,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:14:10,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:14:10,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:14:10,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:14:10,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:14:10,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:14:10,375 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:14:10,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:14:10,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:14:10,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:14:10,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:14:10,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:14:10,378 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:14:10,378 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:14:10,379 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:14:10,379 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:14:10,380 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:14:10,380 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:14:10,380 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:14:10,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:14:10,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:14:10,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:14:10,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:14:10,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:14:10,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:14:10,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:14:10,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:14:10,382 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:14:10,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:14:10,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:14:10,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:14:10,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:14:10,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:14:10,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:14:10,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:14:10,387 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:14:10,387 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_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34137da927ca86d2fb49adf8270ebc903b8c1dbe [2021-10-13 00:14:10,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:14:10,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:14:10,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:14:10,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:14:10,744 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:14:10,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2021-10-13 00:14:10,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/data/e2860eabe/a666cb04390c4c4aa49b651c2874647c/FLAGe48bc02d6 [2021-10-13 00:14:11,400 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:14:11,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2021-10-13 00:14:11,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/data/e2860eabe/a666cb04390c4c4aa49b651c2874647c/FLAGe48bc02d6 [2021-10-13 00:14:11,805 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/data/e2860eabe/a666cb04390c4c4aa49b651c2874647c [2021-10-13 00:14:11,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:14:11,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:14:11,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:11,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:14:11,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:14:11,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:11" (1/1) ... [2021-10-13 00:14:11,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56eb0eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:11, skipping insertion in model container [2021-10-13 00:14:11,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:11" (1/1) ... [2021-10-13 00:14:11,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:14:11,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:14:12,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:14:12,216 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:14:12,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:14:12,319 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:14:12,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12 WrapperNode [2021-10-13 00:14:12,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:12,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:14:12,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:14:12,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:14:12,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:14:12,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:14:12,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:14:12,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:14:12,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:14:12,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:14:12,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:14:12,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:14:12,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (1/1) ... [2021-10-13 00:14:12,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:12,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:12,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:12,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:14:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:14:12,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:14:12,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:14:12,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:14:12,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:14:12,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:14:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:14:12,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:14:12,872 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 00:14:12,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:12 BoogieIcfgContainer [2021-10-13 00:14:12,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:14:12,889 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:14:12,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:14:12,894 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:14:12,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:12,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:14:11" (1/3) ... [2021-10-13 00:14:12,896 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@413e817f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:14:12, skipping insertion in model container [2021-10-13 00:14:12,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:12,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:12" (2/3) ... [2021-10-13 00:14:12,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@413e817f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:14:12, skipping insertion in model container [2021-10-13 00:14:12,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:12,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:12" (3/3) ... [2021-10-13 00:14:12,900 INFO L389 chiAutomizerObserver]: Analyzing ICFG cll_search-alloca-2.i [2021-10-13 00:14:12,966 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:14:12,966 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:14:12,966 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:14:12,966 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:14:12,966 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:14:12,967 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:14:12,967 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:14:12,967 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:14:12,984 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) [2021-10-13 00:14:13,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-13 00:14:13,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:14:13,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:14:13,017 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:14:13,018 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:14:13,018 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:14:13,019 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) [2021-10-13 00:14:13,022 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-13 00:14:13,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:14:13,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:14:13,023 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:14:13,023 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:14:13,033 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 6#L552-3true [2021-10-13 00:14:13,033 INFO L793 eck$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 [2021-10-13 00:14:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:13,040 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 00:14:13,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:13,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988232803] [2021-10-13 00:14:13,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:13,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:13,200 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:13,260 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:13,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:13,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-13 00:14:13,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:13,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963361330] [2021-10-13 00:14:13,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:13,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:13,311 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:13,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:13,349 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-13 00:14:13,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:13,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591596982] [2021-10-13 00:14:13,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:13,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:13,399 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:13,445 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:14,264 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 8249 column 554: unknown constant v_DerPreprocessor_1 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:256) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.checkForFixpoint(FixpointCheck.java:101) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.(FixpointCheck.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 00:14:14,268 INFO L168 Benchmark]: Toolchain (without parser) took 2457.96 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 62.2 MB in the beginning and 67.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:14,269 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 80.4 MB in the beginning and 80.3 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:14,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.01 ms. Allocated memory is still 100.7 MB. Free memory was 62.1 MB in the beginning and 71.3 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:14,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.82 ms. Allocated memory is still 100.7 MB. Free memory was 71.3 MB in the beginning and 69.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:14,271 INFO L168 Benchmark]: Boogie Preprocessor took 38.79 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 68.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:14,272 INFO L168 Benchmark]: RCFGBuilder took 473.35 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 56.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:14,272 INFO L168 Benchmark]: BuchiAutomizer took 1377.44 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 56.7 MB in the beginning and 67.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:14,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 80.4 MB in the beginning and 80.3 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 509.01 ms. Allocated memory is still 100.7 MB. Free memory was 62.1 MB in the beginning and 71.3 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.82 ms. Allocated memory is still 100.7 MB. Free memory was 71.3 MB in the beginning and 69.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.79 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 68.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 473.35 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 56.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1377.44 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 56.7 MB in the beginning and 67.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: line 8249 column 554: unknown constant v_DerPreprocessor_1 de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: line 8249 column 554: unknown constant v_DerPreprocessor_1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 00:14:14,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031df07a-3b81-4374-8f7d-fead918b2afb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 1 Received shutdown request...