./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_search_not_found-alloca.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_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/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_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_search_not_found-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/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_a78136fe-b46c-4f16-b1f5-3ee625e22cee/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 23408a3010acd839590b0e837ac02f6c8699c28d ............................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/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 4955 column 1739: unknown constant v_DerPreprocessor_1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:07:39,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:07:39,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:07:39,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:07:39,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:07:39,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:07:39,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:07:39,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:07:39,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:07:39,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:07:39,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:07:39,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:07:39,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:07:39,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:07:39,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:07:39,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:07:39,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:07:39,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:07:39,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:07:39,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:07:39,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:07:39,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:07:39,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:07:39,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:07:39,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:07:39,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:07:39,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:07:39,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:07:39,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:07:39,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:07:39,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:07:39,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:07:39,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:07:39,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:07:39,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:07:39,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:07:39,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:07:39,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:07:39,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:07:39,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:07:39,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:07:39,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:07:39,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:07:39,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:07:39,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:07:39,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:07:39,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:07:39,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:07:39,194 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:07:39,195 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:07:39,195 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:07:39,195 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:07:39,195 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:07:39,195 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:07:39,196 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:07:39,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:07:39,196 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:07:39,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:07:39,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:07:39,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:07:39,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:07:39,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:07:39,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:07:39,197 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:07:39,198 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:07:39,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:07:39,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:07:39,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:07:39,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:07:39,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:07:39,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:07:39,200 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:07:39,200 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_a78136fe-b46c-4f16-b1f5-3ee625e22cee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23408a3010acd839590b0e837ac02f6c8699c28d [2021-10-13 01:07:39,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:07:39,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:07:39,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:07:39,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:07:39,543 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:07:39,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-linkedlists/ll_search_not_found-alloca.i [2021-10-13 01:07:39,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/data/81a379263/f59b1be686944e65b41030b7697944c3/FLAG27720b864 [2021-10-13 01:07:40,163 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:07:40,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/sv-benchmarks/c/termination-memory-linkedlists/ll_search_not_found-alloca.i [2021-10-13 01:07:40,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/data/81a379263/f59b1be686944e65b41030b7697944c3/FLAG27720b864 [2021-10-13 01:07:40,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/data/81a379263/f59b1be686944e65b41030b7697944c3 [2021-10-13 01:07:40,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:07:40,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:07:40,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:07:40,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:07:40,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:07:40,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:07:40" (1/1) ... [2021-10-13 01:07:40,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a68df83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:40, skipping insertion in model container [2021-10-13 01:07:40,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:07:40" (1/1) ... [2021-10-13 01:07:40,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:07:40,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:07:40,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:07:40,960 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:07:41,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:07:41,037 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:07:41,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41 WrapperNode [2021-10-13 01:07:41,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:07:41,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:07:41,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:07:41,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:07:41,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:07:41,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:07:41,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:07:41,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:07:41,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:07:41,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:07:41,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:07:41,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:07:41,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (1/1) ... [2021-10-13 01:07:41,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:41,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:41,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:07:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:07:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:07:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:07:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 01:07:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 01:07:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:07:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:07:41,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:07:41,499 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 01:07:41,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:07:41 BoogieIcfgContainer [2021-10-13 01:07:41,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:07:41,502 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:07:41,502 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:07:41,508 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:07:41,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:07:41,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:07:40" (1/3) ... [2021-10-13 01:07:41,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e80a56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:07:41, skipping insertion in model container [2021-10-13 01:07:41,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:07:41,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:41" (2/3) ... [2021-10-13 01:07:41,524 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e80a56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:07:41, skipping insertion in model container [2021-10-13 01:07:41,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:07:41,525 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:07:41" (3/3) ... [2021-10-13 01:07:41,526 INFO L389 chiAutomizerObserver]: Analyzing ICFG ll_search_not_found-alloca.i [2021-10-13 01:07:41,584 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:07:41,584 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:07:41,584 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:07:41,584 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:07:41,585 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:07:41,585 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:07:41,585 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:07:41,585 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:07:41,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 01:07:41,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 01:07:41,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:07:41,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:07:41,643 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:07:41,643 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:07:41,643 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:07:41,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 01:07:41,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 01:07:41,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:07:41,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:07:41,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:07:41,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:07:41,654 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7;init_ll_#in~n := main_~n~0;havoc init_ll_#res.base, init_ll_#res.offset;havoc init_ll_#t~malloc3.base, init_ll_#t~malloc3.offset, init_ll_#t~post2, init_ll_~i~0, init_ll_~n, init_ll_~head~0.base, init_ll_~head~0.offset, init_ll_~curr~0.base, init_ll_~curr~0.offset;init_ll_~n := init_ll_#in~n;init_ll_~head~0.base, init_ll_~head~0.offset := 0, 0;havoc init_ll_~curr~0.base, init_ll_~curr~0.offset;init_ll_~i~0 := 0; 7#L550-3true [2021-10-13 01:07:41,655 INFO L793 eck$LassoCheckResult]: Loop: 7#L550-3true assume !!(init_ll_~i~0 < init_ll_~n);call init_ll_#t~malloc3.base, init_ll_#t~malloc3.offset := #Ultimate.allocOnHeap(12);init_ll_~curr~0.base, init_ll_~curr~0.offset := init_ll_#t~malloc3.base, init_ll_#t~malloc3.offset;havoc init_ll_#t~malloc3.base, init_ll_#t~malloc3.offset;call write~int(init_ll_~i~0, init_ll_~curr~0.base, init_ll_~curr~0.offset, 4);call write~$Pointer$(init_ll_~head~0.base, init_ll_~head~0.offset, init_ll_~curr~0.base, 4 + init_ll_~curr~0.offset, 8);init_ll_~head~0.base, init_ll_~head~0.offset := init_ll_~curr~0.base, init_ll_~curr~0.offset; 14#L550-2true init_ll_#t~post2 := init_ll_~i~0;init_ll_~i~0 := 1 + init_ll_#t~post2;havoc init_ll_#t~post2; 7#L550-3true [2021-10-13 01:07:41,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:41,662 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 01:07:41,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:41,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290631015] [2021-10-13 01:07:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:41,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:41,777 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:41,833 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:41,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:41,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-13 01:07:41,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:41,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775106234] [2021-10-13 01:07:41,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:41,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:41,896 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:41,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:41,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:41,939 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-13 01:07:41,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:41,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547374962] [2021-10-13 01:07:41,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:41,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:41,960 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:41,983 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:42,695 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 4955 column 1739: 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 01:07:42,698 INFO L168 Benchmark]: Toolchain (without parser) took 2207.83 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 46.0 MB in the beginning and 90.1 MB in the end (delta: -44.1 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:07:42,699 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 54.9 MB in the beginning and 54.9 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:07:42,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.96 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 45.9 MB in the beginning and 83.8 MB in the end (delta: -37.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:07:42,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.26 ms. Allocated memory is still 115.3 MB. Free memory was 83.2 MB in the beginning and 81.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:07:42,702 INFO L168 Benchmark]: Boogie Preprocessor took 28.74 ms. Allocated memory is still 115.3 MB. Free memory was 81.7 MB in the beginning and 80.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:07:42,703 INFO L168 Benchmark]: RCFGBuilder took 388.23 ms. Allocated memory is still 115.3 MB. Free memory was 80.5 MB in the beginning and 70.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:07:42,704 INFO L168 Benchmark]: BuchiAutomizer took 1194.75 ms. Allocated memory is still 115.3 MB. Free memory was 70.0 MB in the beginning and 90.1 MB in the end (delta: -20.1 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:07:42,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 54.9 MB in the beginning and 54.9 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 544.96 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 45.9 MB in the beginning and 83.8 MB in the end (delta: -37.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.26 ms. Allocated memory is still 115.3 MB. Free memory was 83.2 MB in the beginning and 81.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.74 ms. Allocated memory is still 115.3 MB. Free memory was 81.7 MB in the beginning and 80.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 388.23 ms. Allocated memory is still 115.3 MB. Free memory was 80.5 MB in the beginning and 70.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1194.75 ms. Allocated memory is still 115.3 MB. Free memory was 70.0 MB in the beginning and 90.1 MB in the end (delta: -20.1 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: line 4955 column 1739: unknown constant v_DerPreprocessor_1 de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: line 4955 column 1739: unknown constant v_DerPreprocessor_1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 01:07:42,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78136fe-b46c-4f16-b1f5-3ee625e22cee/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 1 Received shutdown request...