./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/string-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/string-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 826ba3ecb74a591f4e23afc2c932e6d22d2291c8 ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/string-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 826ba3ecb74a591f4e23afc2c932e6d22d2291c8 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:43:58,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:58,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:58,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:58,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:58,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:58,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:58,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:58,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:58,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:58,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:58,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:58,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:58,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:58,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:58,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:58,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:58,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:58,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:58,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:58,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:58,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:58,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:58,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:58,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:58,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:58,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:58,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:58,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:58,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:58,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:58,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:58,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:58,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:58,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:58,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:58,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:58,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:58,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:58,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:58,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:58,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:58,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:58,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:58,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:58,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:58,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:58,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:58,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:58,225 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:58,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:58,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:58,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:58,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:58,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:58,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:58,227 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:58,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:58,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:58,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:58,228 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:58,228 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:58,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:58,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:58,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:58,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:58,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:58,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:58,230 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:58,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:58,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:58,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 826ba3ecb74a591f4e23afc2c932e6d22d2291c8 [2020-11-28 04:43:58,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:58,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:58,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:58,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:58,578 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:58,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/../../sv-benchmarks/c/loops/string-2.i [2020-11-28 04:43:58,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data/908ae5ff0/442ac178e1cc4d97b7d599fb88c90af3/FLAGfc0567ed7 [2020-11-28 04:43:59,159 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:59,160 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/sv-benchmarks/c/loops/string-2.i [2020-11-28 04:43:59,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data/908ae5ff0/442ac178e1cc4d97b7d599fb88c90af3/FLAGfc0567ed7 [2020-11-28 04:43:59,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data/908ae5ff0/442ac178e1cc4d97b7d599fb88c90af3 [2020-11-28 04:43:59,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:59,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:59,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:59,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:59,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:59,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:43:59,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1693e494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59, skipping insertion in model container [2020-11-28 04:43:59,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:43:59,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:59,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:59,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:59,812 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:59,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:59,879 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:59,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59 WrapperNode [2020-11-28 04:43:59,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:59,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:59,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:59,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:59,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:43:59,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:43:59,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:59,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:59,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:59,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:59,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:43:59,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:43:59,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:43:59,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:43:59,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:44:00,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:44:00,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... [2020-11-28 04:44:00,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:00,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:00,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:00,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:00,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:44:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:44:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:44:00,660 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:00,660 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-28 04:44:00,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:00 BoogieIcfgContainer [2020-11-28 04:44:00,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:00,663 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:00,663 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:00,675 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:00,675 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:00" (1/1) ... [2020-11-28 04:44:00,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:00,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2020-11-28 04:44:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2020-11-28 04:44:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:44:00,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:00,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:00,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2020-11-28 04:44:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2020-11-28 04:44:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:44:00,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:01,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2020-11-28 04:44:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2020-11-28 04:44:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:01,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:01,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2020-11-28 04:44:01,274 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2020-11-28 04:44:01,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:44:01,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2020-11-28 04:44:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2020-11-28 04:44:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:44:01,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2020-11-28 04:44:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2020-11-28 04:44:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:01,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2020-11-28 04:44:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2020-11-28 04:44:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:01,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2020-11-28 04:44:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2020-11-28 04:44:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:44:02,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2020-11-28 04:44:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-28 04:44:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:02,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:02,176 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2020-11-28 04:44:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2020-11-28 04:44:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:02,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2020-11-28 04:44:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2020-11-28 04:44:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:02,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:02,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:02,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:02,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:02,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:02,676 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2020-11-28 04:44:02,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:02 ImpRootNode [2020-11-28 04:44:02,742 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:02,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:02,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:02,749 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:02,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:00" (3/4) ... [2020-11-28 04:44:02,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 04:44:02,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:02,757 INFO L168 Benchmark]: Toolchain (without parser) took 3233.36 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 48.1 MB in the beginning and 75.1 MB in the end (delta: -27.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:02,759 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 64.7 MB in the beginning and 64.6 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:02,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.49 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 47.9 MB in the beginning and 85.4 MB in the end (delta: -37.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:02,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.10 ms. Allocated memory is still 109.1 MB. Free memory was 85.4 MB in the beginning and 83.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:02,765 INFO L168 Benchmark]: Boogie Preprocessor took 61.45 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 82.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:02,765 INFO L168 Benchmark]: RCFGBuilder took 647.57 ms. Allocated memory is still 109.1 MB. Free memory was 82.7 MB in the beginning and 58.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:02,766 INFO L168 Benchmark]: CodeCheck took 2079.05 ms. Allocated memory is still 109.1 MB. Free memory was 58.1 MB in the beginning and 75.1 MB in the end (delta: -17.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:02,767 INFO L168 Benchmark]: Witness Printer took 5.63 ms. Allocated memory is still 109.1 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:02,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10752 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 8166 SolverSat, 5386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1380 GetRequests, 1350 SyntacticMatches, 12 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 4629 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 60/100 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 69. Possible FailurePath: [L31] char string_A[5], string_B[5]; [L32] int i, j, nc_A, nc_B, found=0; [L35] i=0 [L35] COND TRUE i<5 [L36] string_A[i]=__VERIFIER_nondet_char() [L35] i++ [L35] COND TRUE i<5 [L36] string_A[i]=__VERIFIER_nondet_char() [L35] i++ [L35] COND TRUE i<5 [L36] string_A[i]=__VERIFIER_nondet_char() [L35] i++ [L35] COND TRUE i<5 [L36] string_A[i]=__VERIFIER_nondet_char() [L35] i++ [L35] COND TRUE i<5 [L36] string_A[i]=__VERIFIER_nondet_char() [L35] i++ [L35] COND FALSE !(i<5) [L37] EXPR string_A[5 -1] [L37] COND FALSE !(!(string_A[5 -1]=='\0')) [L39] i=0 [L39] COND TRUE i<5 [L40] string_B[i]=__VERIFIER_nondet_char() [L39] i++ [L39] COND TRUE i<5 [L40] string_B[i]=__VERIFIER_nondet_char() [L39] i++ [L39] COND TRUE i<5 [L40] string_B[i]=__VERIFIER_nondet_char() [L39] i++ [L39] COND TRUE i<5 [L40] string_B[i]=__VERIFIER_nondet_char() [L39] i++ [L39] COND TRUE i<5 [L40] string_B[i]=__VERIFIER_nondet_char() [L39] i++ [L39] COND FALSE !(i<5) [L41] EXPR string_B[5 -1] [L41] COND FALSE !(!(string_B[5 -1]=='\0')) [L43] nc_A = 0 [L44] EXPR string_A[nc_A] [L44] COND FALSE !(string_A[nc_A]!='\0') [L47] nc_B = 0 [L48] EXPR string_B[nc_B] [L48] COND FALSE !(string_B[nc_B]!='\0') [L51] COND FALSE !(!(nc_B >= nc_A)) [L54] EXPR j=0 [L54] i=j=0 [L55] COND FALSE !((inc_B-1)< main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak 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(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> 826ba3ecb74a591f4e23afc2c932e6d22d2291c8 [2020-11-28 04:44:05,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:05,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:05,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:05,917 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:05,920 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:05,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/../../sv-benchmarks/c/loops/string-2.i [2020-11-28 04:44:05,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data/fd03266bb/04837273a13545e6bb745f122143db73/FLAGdc0bc9e09 [2020-11-28 04:44:06,528 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:06,529 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/sv-benchmarks/c/loops/string-2.i [2020-11-28 04:44:06,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data/fd03266bb/04837273a13545e6bb745f122143db73/FLAGdc0bc9e09 [2020-11-28 04:44:06,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/data/fd03266bb/04837273a13545e6bb745f122143db73 [2020-11-28 04:44:06,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:06,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:06,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:06,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:06,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:06,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:06" (1/1) ... [2020-11-28 04:44:06,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e341115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:06, skipping insertion in model container [2020-11-28 04:44:06,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:06" (1/1) ... [2020-11-28 04:44:06,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:06,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:07,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:07,119 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:07,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:07,202 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:07,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07 WrapperNode [2020-11-28 04:44:07,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:07,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:07,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:07,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:07,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:07,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:07,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:07,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:07,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... [2020-11-28 04:44:07,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:07,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:07,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:07,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:07,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2ac63bd-d27f-4ba1-9c0c-6c85587f1e34/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-28 04:44:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 04:44:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-28 04:44:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:44:08,220 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:08,220 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-28 04:44:08,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:08 BoogieIcfgContainer [2020-11-28 04:44:08,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:08,223 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:08,224 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:08,234 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:08,234 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2020-11-28 04:44:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2020-11-28 04:44:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:44:08,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:08,332 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) [2020-11-28 04:44:08,337 INFO L168 Benchmark]: Toolchain (without parser) took 1421.77 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.4 MB in the beginning and 38.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:08,337 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory was 43.5 MB in the beginning and 43.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:08,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.48 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 44.0 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:08,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.19 ms. Allocated memory is still 60.8 MB. Free memory was 43.9 MB in the beginning and 42.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:08,340 INFO L168 Benchmark]: Boogie Preprocessor took 30.99 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 40.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:08,341 INFO L168 Benchmark]: RCFGBuilder took 950.30 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.8 MB in the beginning and 43.6 MB in the end (delta: -2.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:08,341 INFO L168 Benchmark]: CodeCheck took 110.74 ms. Allocated memory is still 73.4 MB. Free memory was 43.6 MB in the beginning and 38.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:08,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory was 43.5 MB in the beginning and 43.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 288.48 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 44.0 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.19 ms. Allocated memory is still 60.8 MB. Free memory was 43.9 MB in the beginning and 42.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.99 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 40.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 950.30 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.8 MB in the beginning and 43.6 MB in the end (delta: -2.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * CodeCheck took 110.74 ms. Allocated memory is still 73.4 MB. Free memory was 43.6 MB in the beginning and 38.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...