./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/nec40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer --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 1154acb41caa49c0da18a0d5cc92ede9101ff854 ............................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/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: Undeclared function symbol (const Int) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:57:56,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:57:56,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:57:56,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:57:56,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:57:56,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:57:56,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:57:56,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:57:56,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:57:56,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:57:56,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:57:56,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:57:56,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:57:56,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:57:56,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:57:56,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:57:56,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:57:56,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:57:56,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:57:56,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:57:56,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:57:56,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:57:56,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:57:56,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:57:56,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:57:56,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:57:56,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:57:56,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:57:56,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:57:56,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:57:56,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:57:56,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:57:56,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:57:56,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:57:56,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:57:56,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:57:56,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:57:56,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:57:56,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:57:56,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:57:56,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:57:56,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:57:56,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:57:56,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:57:56,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:57:56,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:57:56,222 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:57:56,222 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:57:56,222 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:57:56,222 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:57:56,223 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:57:56,223 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:57:56,223 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:57:56,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:57:56,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:57:56,224 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:57:56,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:57:56,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:57:56,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:57:56,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:57:56,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:57:56,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:57:56,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:57:56,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:57:56,225 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:57:56,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:57:56,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:57:56,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:57:56,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:57:56,226 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:57:56,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:57:56,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:57:56,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:57:56,227 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:57:56,228 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:57:56,228 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer 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 -> 1154acb41caa49c0da18a0d5cc92ede9101ff854 [2019-12-07 17:57:56,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:57:56,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:57:56,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:57:56,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:57:56,342 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:57:56,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/../../sv-benchmarks/c/loops/nec40.c [2019-12-07 17:57:56,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/data/8cea31054/7596418b61594631ad7b865015805764/FLAG5b047d5cf [2019-12-07 17:57:56,719 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:57:56,719 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/sv-benchmarks/c/loops/nec40.c [2019-12-07 17:57:56,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/data/8cea31054/7596418b61594631ad7b865015805764/FLAG5b047d5cf [2019-12-07 17:57:56,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/data/8cea31054/7596418b61594631ad7b865015805764 [2019-12-07 17:57:56,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:57:56,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:57:56,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:57:56,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:57:56,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:57:56,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cc73ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56, skipping insertion in model container [2019-12-07 17:57:56,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:57:56,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:57:56,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:57:56,903 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:57:56,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:57:56,929 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:57:56,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56 WrapperNode [2019-12-07 17:57:56,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:57:56,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:57:56,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:57:56,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:57:56,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:57:56,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:57:56,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:57:56,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:57:56,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... [2019-12-07 17:57:56,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:57:56,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:57:56,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:57:56,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:57:56,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5ddcdc0-f6c9-4a72-9390-57fbb7fe3523/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:57:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:57:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:57:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:57:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:57:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:57:57,136 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:57:57,136 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:57:57,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:57:57 BoogieIcfgContainer [2019-12-07 17:57:57,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:57:57,137 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:57:57,137 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:57:57,140 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:57:57,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:57:57,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:57:56" (1/3) ... [2019-12-07 17:57:57,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a3bae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:57:57, skipping insertion in model container [2019-12-07 17:57:57,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:57:57,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:57:56" (2/3) ... [2019-12-07 17:57:57,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a3bae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:57:57, skipping insertion in model container [2019-12-07 17:57:57,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:57:57,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:57:57" (3/3) ... [2019-12-07 17:57:57,142 INFO L371 chiAutomizerObserver]: Analyzing ICFG nec40.c [2019-12-07 17:57:57,170 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:57:57,170 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:57:57,170 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:57:57,170 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:57:57,170 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:57:57,170 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:57:57,170 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:57:57,171 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:57:57,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-12-07 17:57:57,192 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:57:57,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:57:57,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:57:57,196 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:57:57,196 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:57:57,196 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:57:57,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-12-07 17:57:57,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:57:57,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:57:57,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:57:57,198 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:57:57,198 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:57:57,203 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(100);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#x~0.base);call ~#y~0.base, ~#y~0.offset := #Ultimate.allocOnStack(100);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#y~0.base);~i~0 := 0;~j~0 := 0;~k~0 := 0; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~post3, main_#t~mem1, main_#t~mem4;~k~0 := main_#t~nondet0;havoc main_#t~nondet0;~i~0 := 0; 3#L18-3true [2019-12-07 17:57:57,203 INFO L796 eck$LassoCheckResult]: Loop: 3#L18-3true call main_#t~mem1 := read~int(~#x~0.base, ~#x~0.offset + ~i~0, 1); 5#L18-1true assume !!(0 != main_#t~mem1);havoc main_#t~mem1;call main_#t~mem2 := read~int(~#x~0.base, ~#x~0.offset + ~i~0, 1);call write~int(main_#t~mem2, ~#y~0.base, ~#y~0.offset + ~i~0, 1);havoc main_#t~mem2;main_#t~post3 := ~i~0;~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3#L18-3true [2019-12-07 17:57:57,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:57:57,207 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 17:57:57,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:57:57,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841376185] [2019-12-07 17:57:57,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:57:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:57:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:57:57,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:57:57,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:57:57,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-12-07 17:57:57,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:57:57,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664824944] [2019-12-07 17:57:57,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:57:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:57:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:57:57,322 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:57:57,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:57:57,323 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 17:57:57,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:57:57,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832896797] [2019-12-07 17:57:57,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:57:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:57:57,371 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkFeasibilityAndComputeInterpolants(LassoCheck.java:928) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkConcatFeasibility(LassoCheck.java:899) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:832) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 17:57:57,374 INFO L168 Benchmark]: Toolchain (without parser) took 637.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -87.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:57:57,375 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:57:57,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:57:57,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:57:57,376 INFO L168 Benchmark]: Boogie Preprocessor took 15.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:57:57,377 INFO L168 Benchmark]: RCFGBuilder took 167.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:57:57,378 INFO L168 Benchmark]: BuchiAutomizer took 235.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:57:57,381 INFO L335 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 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 167.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 235.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...