./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/chunk3.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_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/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_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/chunk3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/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_e4b02e84-4618-4d3b-9e52-018e33d40bba/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 90f770ffbd935c6b6bbb2a9228b18d16cbc1511c .................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/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 51973 column 661: unknown constant v_DerPreprocessor_14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:03:14,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:03:14,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:03:14,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:03:14,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:03:14,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:03:14,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:03:14,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:03:14,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:03:14,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:03:14,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:03:14,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:03:14,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:03:14,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:03:14,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:03:14,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:03:14,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:03:14,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:03:14,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:03:14,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:03:14,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:03:14,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:03:14,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:03:14,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:03:14,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:03:14,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:03:14,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:03:14,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:03:14,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:03:14,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:03:14,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:03:14,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:03:14,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:03:14,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:03:14,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:03:14,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:03:14,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:03:14,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:03:14,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:03:14,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:03:14,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:03:14,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:03:14,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:03:14,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:03:14,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:03:14,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:03:14,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:03:14,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:03:14,231 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:03:14,232 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:03:14,232 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:03:14,232 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:03:14,232 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:03:14,233 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:03:14,233 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:03:14,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:03:14,233 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:03:14,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:03:14,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:03:14,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:03:14,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:03:14,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:03:14,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:03:14,237 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:03:14,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:03:14,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:03:14,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:03:14,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:03:14,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:03:14,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:03:14,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:03:14,241 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:03:14,241 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_e4b02e84-4618-4d3b-9e52-018e33d40bba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90f770ffbd935c6b6bbb2a9228b18d16cbc1511c [2021-10-13 00:03:14,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:03:14,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:03:14,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:03:14,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:03:14,660 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:03:14,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-recursive-malloc/chunk3.i [2021-10-13 00:03:14,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/data/2b0fa902f/ad74a35621234caaa768d0284df0e3b4/FLAG0977443f3 [2021-10-13 00:03:15,374 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:03:15,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/sv-benchmarks/c/termination-recursive-malloc/chunk3.i [2021-10-13 00:03:15,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/data/2b0fa902f/ad74a35621234caaa768d0284df0e3b4/FLAG0977443f3 [2021-10-13 00:03:15,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/data/2b0fa902f/ad74a35621234caaa768d0284df0e3b4 [2021-10-13 00:03:15,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:03:15,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:03:15,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:03:15,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:03:15,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:03:15,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:03:15" (1/1) ... [2021-10-13 00:03:15,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dbf1900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:15, skipping insertion in model container [2021-10-13 00:03:15,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:03:15" (1/1) ... [2021-10-13 00:03:15,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:03:15,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:03:16,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:03:16,041 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:03:16,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:03:16,082 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:03:16,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16 WrapperNode [2021-10-13 00:03:16,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:03:16,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:03:16,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:03:16,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:03:16,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:03:16,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:03:16,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:03:16,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:03:16,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:03:16,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:03:16,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:03:16,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:03:16,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (1/1) ... [2021-10-13 00:03:16,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:03:16,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:03:16,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:03:16,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:03:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:03:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2021-10-13 00:03:16,286 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2021-10-13 00:03:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:03:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:03:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:03:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:03:16,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:03:16,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:03:16,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:03:16,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:03:16,760 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 00:03:16,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:03:16 BoogieIcfgContainer [2021-10-13 00:03:16,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:03:16,764 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:03:16,764 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:03:16,767 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:03:16,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:03:16,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:03:15" (1/3) ... [2021-10-13 00:03:16,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42dbe583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:03:16, skipping insertion in model container [2021-10-13 00:03:16,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:03:16,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:03:16" (2/3) ... [2021-10-13 00:03:16,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42dbe583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:03:16, skipping insertion in model container [2021-10-13 00:03:16,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:03:16,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:03:16" (3/3) ... [2021-10-13 00:03:16,782 INFO L389 chiAutomizerObserver]: Analyzing ICFG chunk3.i [2021-10-13 00:03:16,847 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:03:16,847 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:03:16,847 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:03:16,847 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:03:16,847 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:03:16,848 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:03:16,848 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:03:16,848 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:03:16,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 00:03:16,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:03:16,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:03:16,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:03:16,911 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:03:16,912 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:03:16,912 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:03:16,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 00:03:16,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:03:16,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:03:16,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:03:16,917 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:03:16,918 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:03:16,926 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~malloc17.base, main_#t~malloc17.offset, main_#t~nondet18, main_#t~nondet19, main_#t~mem20.base, main_#t~mem20.offset, main_~data~0.base, main_~data~0.offset, main_~p0~1.base, main_~p0~1.offset, main_~p1~1.base, main_~p1~1.offset, main_~p2~1.base, main_~p2~1.offset, main_~p3~1.base, main_~p3~1.offset, main_~i~0, main_~upper~0, main_~p1_new~0.base, main_~p1_new~0.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnHeap(32);main_~data~0.base, main_~data~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;havoc main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnHeap(4);main_~p0~1.base, main_~p0~1.offset := main_#t~malloc14.base, main_#t~malloc14.offset;havoc main_#t~malloc14.base, main_#t~malloc14.offset;call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnHeap(4);main_~p1~1.base, main_~p1~1.offset := main_#t~malloc15.base, main_#t~malloc15.offset;havoc main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnHeap(4);main_~p2~1.base, main_~p2~1.offset := main_#t~malloc16.base, main_#t~malloc16.offset;havoc main_#t~malloc16.base, main_#t~malloc16.offset;call main_#t~malloc17.base, main_#t~malloc17.offset := #Ultimate.allocOnHeap(4);main_~p3~1.base, main_~p3~1.offset := main_#t~malloc17.base, main_#t~malloc17.offset;havoc main_#t~malloc17.base, main_#t~malloc17.offset;main_~i~0 := main_#t~nondet18;havoc main_#t~nondet18;main_~upper~0 := main_#t~nondet19;havoc main_#t~nondet19; 6#L44true assume !(main_~i~0 >= main_~upper~0);call write~int(main_~i~0, main_~p0~1.base, main_~p0~1.offset, 4);call write~int(main_~upper~0, main_~p3~1.base, main_~p3~1.offset, 4);call write~$Pointer$(main_~p0~1.base, main_~p0~1.offset, main_~data~0.base, main_~data~0.offset, 8);call write~$Pointer$(main_~p1~1.base, main_~p1~1.offset, main_~data~0.base, 8 + main_~data~0.offset, 8);call write~$Pointer$(main_~p2~1.base, main_~p2~1.offset, main_~data~0.base, 16 + main_~data~0.offset, 8);call write~$Pointer$(main_~p3~1.base, main_~p3~1.offset, main_~data~0.base, 24 + main_~data~0.offset, 8); 7#L59true call chunk(main_~data~0.base, main_~data~0.offset);< 15#chunkENTRYtrue [2021-10-13 00:03:16,928 INFO L793 eck$LassoCheckResult]: Loop: 15#chunkENTRYtrue ~data.base, ~data.offset := #in~data.base, #in~data.offset;call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~data.base, ~data.offset, 8);~p0~0.base, ~p0~0.offset := #t~mem1.base, #t~mem1.offset;havoc #t~mem1.base, #t~mem1.offset;call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~data.base, 8 + ~data.offset, 8);~p1~0.base, ~p1~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~data.base, 16 + ~data.offset, 8);~p2~0.base, ~p2~0.offset := #t~mem3.base, #t~mem3.offset;havoc #t~mem3.base, #t~mem3.offset;call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~data.base, 24 + ~data.offset, 8);~p3~0.base, ~p3~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call #t~mem5 := read~int(~p0~0.base, ~p0~0.offset, 4);call #t~mem6 := read~int(~p3~0.base, ~p3~0.offset, 4); 4#L14true assume !(#t~mem5 >= #t~mem6);havoc #t~mem5;havoc #t~mem6;call #t~mem7 := read~int(~p0~0.base, ~p0~0.offset, 4);#t~post8 := #t~mem7;call write~int(1 + #t~post8, ~p0~0.base, ~p0~0.offset, 4);havoc #t~mem7;havoc #t~post8;call #t~mem9 := read~int(~p3~0.base, ~p3~0.offset, 4);call write~int(#t~mem9, ~p2~0.base, ~p2~0.offset, 4);havoc #t~mem9;call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(#t~malloc10.base, #t~malloc10.offset, ~data.base, 8 + ~data.offset, 8);havoc #t~malloc10.base, #t~malloc10.offset;call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~data.base, 8 + ~data.offset, 8);call write~$Pointer$(#t~mem11.base, #t~mem11.offset, ~data.base, 16 + ~data.offset, 8);havoc #t~mem11.base, #t~mem11.offset;call #t~mem12.base, #t~mem12.offset := read~$Pointer$(~data.base, 16 + ~data.offset, 8);call write~$Pointer$(#t~mem12.base, #t~mem12.offset, ~data.base, 24 + ~data.offset, 8);havoc #t~mem12.base, #t~mem12.offset; 8#L25true call chunk(~data.base, ~data.offset);< 15#chunkENTRYtrue [2021-10-13 00:03:16,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:16,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2021-10-13 00:03:16,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:16,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545131855] [2021-10-13 00:03:16,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:16,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:03:17,199 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:03:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:03:17,276 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:03:17,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:17,281 INFO L82 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2021-10-13 00:03:17,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:17,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85588068] [2021-10-13 00:03:17,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:17,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:03:17,366 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:03:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:03:17,419 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:03:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:03:17,424 INFO L82 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2021-10-13 00:03:17,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:03:17,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158759184] [2021-10-13 00:03:17,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:03:17,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:03:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:03:17,669 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:03:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:03:17,785 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:03:34,863 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 51973 column 661: unknown constant v_DerPreprocessor_14 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:256) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.checkForFixpoint(FixpointCheck.java:100) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.(FixpointCheck.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$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 00:03:34,867 INFO L168 Benchmark]: Toolchain (without parser) took 19149.84 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 64.0 MB in the beginning and 44.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:34,868 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory was 80.2 MB in the beginning and 80.1 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:03:34,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.40 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 80.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:34,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.60 ms. Allocated memory is still 104.9 MB. Free memory was 80.7 MB in the beginning and 79.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:34,871 INFO L168 Benchmark]: Boogie Preprocessor took 34.03 ms. Allocated memory is still 104.9 MB. Free memory was 79.0 MB in the beginning and 78.0 MB in the end (delta: 993.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:03:34,872 INFO L168 Benchmark]: RCFGBuilder took 591.43 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 60.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:34,876 INFO L168 Benchmark]: BuchiAutomizer took 18101.75 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 59.9 MB in the beginning and 44.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:03:34,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory was 80.2 MB in the beginning and 80.1 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.40 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 80.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.60 ms. Allocated memory is still 104.9 MB. Free memory was 80.7 MB in the beginning and 79.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.03 ms. Allocated memory is still 104.9 MB. Free memory was 79.0 MB in the beginning and 78.0 MB in the end (delta: 993.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 591.43 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 60.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 18101.75 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 59.9 MB in the beginning and 44.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: line 51973 column 661: unknown constant v_DerPreprocessor_14 de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: line 51973 column 661: unknown constant v_DerPreprocessor_14: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 00:03:34,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b02e84-4618-4d3b-9e52-018e33d40bba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 1 Received shutdown request...