./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test27-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test27-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06ed4cca2921e89df8e0a402267cb0ce9a980d97 ...................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 10649 column 934: unknown constant v_DerPreprocessor_1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:10:54,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:10:54,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:10:54,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:10:54,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:10:54,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:10:54,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:10:54,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:10:54,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:10:54,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:10:54,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:10:54,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:10:54,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:10:54,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:10:54,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:10:54,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:10:54,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:10:54,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:10:54,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:10:54,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:10:54,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:10:54,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:10:54,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:10:54,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:10:54,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:10:54,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:10:54,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:10:54,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:10:54,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:10:54,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:10:54,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:10:54,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:10:54,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:10:54,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:10:54,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:10:54,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:10:54,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:10:54,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:10:54,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:10:54,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:10:54,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:10:54,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 20:10:54,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:10:54,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:10:54,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:10:54,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:10:54,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:10:54,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:10:54,442 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:10:54,442 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:10:54,442 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:10:54,443 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:10:54,444 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:10:54,444 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:10:54,444 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:10:54,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:10:54,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:10:54,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:10:54,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:10:54,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:10:54,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:10:54,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:10:54,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:10:54,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:10:54,448 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:10:54,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:10:54,449 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:10:54,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:10:54,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:10:54,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:10:54,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:10:54,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:10:54,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:10:54,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:10:54,454 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:10:54,454 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_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06ed4cca2921e89df8e0a402267cb0ce9a980d97 [2021-10-15 20:10:54,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:10:54,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:10:54,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:10:54,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:10:54,854 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:10:54,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-regression/test27-1.c [2021-10-15 20:10:54,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/data/cc6e317ee/d5f69ee944da4ef6854728f21076c114/FLAG2e86d4cdf [2021-10-15 20:10:55,397 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:10:55,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/sv-benchmarks/c/ldv-regression/test27-1.c [2021-10-15 20:10:55,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/data/cc6e317ee/d5f69ee944da4ef6854728f21076c114/FLAG2e86d4cdf [2021-10-15 20:10:55,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/data/cc6e317ee/d5f69ee944da4ef6854728f21076c114 [2021-10-15 20:10:55,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:10:55,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:10:55,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:10:55,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:10:55,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:10:55,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:10:55" (1/1) ... [2021-10-15 20:10:55,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b8a855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:55, skipping insertion in model container [2021-10-15 20:10:55,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:10:55" (1/1) ... [2021-10-15 20:10:55,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:10:55,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:10:56,031 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/sv-benchmarks/c/ldv-regression/test27-1.c[1154,1167] [2021-10-15 20:10:56,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:10:56,042 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:10:56,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/sv-benchmarks/c/ldv-regression/test27-1.c[1154,1167] [2021-10-15 20:10:56,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:10:56,078 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:10:56,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56 WrapperNode [2021-10-15 20:10:56,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:10:56,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:10:56,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:10:56,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:10:56,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:10:56,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:10:56,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:10:56,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:10:56,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:10:56,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:10:56,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:10:56,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:10:56,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (1/1) ... [2021-10-15 20:10:56,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:10:56,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:10:56,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:10:56,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:10:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 20:10:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:10:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 20:10:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:10:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:10:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:10:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:10:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:10:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:10:56,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:10:56,644 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-15 20:10:56,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:10:56 BoogieIcfgContainer [2021-10-15 20:10:56,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:10:56,648 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:10:56,648 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:10:56,652 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:10:56,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:10:56,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:10:55" (1/3) ... [2021-10-15 20:10:56,670 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3776ca96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:10:56, skipping insertion in model container [2021-10-15 20:10:56,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:10:56,670 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:56" (2/3) ... [2021-10-15 20:10:56,671 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3776ca96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:10:56, skipping insertion in model container [2021-10-15 20:10:56,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:10:56,671 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:10:56" (3/3) ... [2021-10-15 20:10:56,673 INFO L389 chiAutomizerObserver]: Analyzing ICFG test27-1.c [2021-10-15 20:10:56,722 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:10:56,722 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:10:56,722 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:10:56,723 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:10:56,723 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:10:56,723 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:10:56,723 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:10:56,723 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:10:56,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:10:56,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-15 20:10:56,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:10:56,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:10:56,763 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:10:56,763 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:10:56,763 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 20:10:56,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:10:56,766 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-15 20:10:56,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:10:56,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:10:56,767 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:10:56,767 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:10:56,774 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet13, main_#t~post12, main_~j~0, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem16.base, main_#t~mem16.offset, main_#t~mem17, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem20, main_#t~pre22, main_#t~mem21, main_#t~ret23, main_~#cont~0.base, main_~#cont~0.offset, main_~#dummy~0.base, main_~#dummy~0.offset, main_~#dummies~0.base, main_~#dummies~0.offset, main_~#a~0.base, main_~#a~0.offset, main_~i~0, main_~pa~0.base, main_~pa~0.offset;call main_~#cont~0.base, main_~#cont~0.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0.base, main_~#dummy~0.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0.base, main_~#dummies~0.offset := #Ultimate.allocOnStack(40);call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(40);havoc main_~i~0;havoc main_~pa~0.base, main_~pa~0.offset;main_~i~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~j~0 := 0; 14#L29-3true [2021-10-15 20:10:56,775 INFO L793 eck$LassoCheckResult]: Loop: 14#L29-3true assume !!(main_~j~0 < 10);call write~int(main_#t~nondet13, main_~#a~0.base, main_~#a~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet13;call write~$Pointer$(0, 0, main_~#dummies~0.base, main_~#dummies~0.offset + 4 * main_~j~0, 4); 16#L29-2true main_#t~post12 := main_~j~0;main_~j~0 := 1 + main_#t~post12;havoc main_#t~post12; 14#L29-3true [2021-10-15 20:10:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:56,781 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-15 20:10:56,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:56,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412382778] [2021-10-15 20:10:56,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:56,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:56,909 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:10:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:56,968 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:10:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:56,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-15 20:10:56,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:56,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042337748] [2021-10-15 20:10:56,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:56,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:57,029 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:10:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:57,057 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:10:57,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:57,059 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-15 20:10:57,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:57,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543986740] [2021-10-15 20:10:57,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:57,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:57,104 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:10:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:57,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:10:58,714 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 10649 column 934: 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) [2021-10-15 20:10:58,717 INFO L168 Benchmark]: Toolchain (without parser) took 2934.22 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 53.8 MB in the beginning and 75.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:10:58,718 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 94.4 MB. Free memory is still 69.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:10:58,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.51 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 68.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:10:58,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 66.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:10:58,721 INFO L168 Benchmark]: Boogie Preprocessor took 32.93 ms. Allocated memory is still 94.4 MB. Free memory was 66.8 MB in the beginning and 65.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:10:58,722 INFO L168 Benchmark]: RCFGBuilder took 489.71 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 65.3 MB in the beginning and 98.3 MB in the end (delta: -33.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:10:58,722 INFO L168 Benchmark]: BuchiAutomizer took 2068.06 ms. Allocated memory is still 121.6 MB. Free memory was 98.1 MB in the beginning and 75.8 MB in the end (delta: 22.4 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:10:58,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 94.4 MB. Free memory is still 69.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.51 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 68.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 66.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.93 ms. Allocated memory is still 94.4 MB. Free memory was 66.8 MB in the beginning and 65.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 489.71 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 65.3 MB in the beginning and 98.3 MB in the end (delta: -33.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2068.06 ms. Allocated memory is still 121.6 MB. Free memory was 98.1 MB in the beginning and 75.8 MB in the end (delta: 22.4 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: line 10649 column 934: unknown constant v_DerPreprocessor_1 de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: line 10649 column 934: unknown constant v_DerPreprocessor_1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 20:10:58,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf95dbe5-9a87-4981-a0d6-49e9235d4d9f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 1 Received shutdown request...