./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86beb7e463e80bf4cd7303ba718fa4bc3c1db625 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86beb7e463e80bf4cd7303ba718fa4bc3c1db625 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:20:10,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:20:10,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:20:10,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:20:10,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:20:10,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:20:10,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:20:10,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:20:10,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:20:10,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:20:10,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:20:10,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:20:10,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:20:10,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:20:10,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:20:10,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:20:10,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:20:10,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:20:10,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:20:10,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:20:10,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:20:10,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:20:10,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:20:10,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:20:10,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:20:10,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:20:10,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:20:10,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:20:10,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:20:10,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:20:10,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:20:10,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:20:10,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:20:10,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:20:10,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:20:10,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:20:10,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:20:10,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:20:10,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:20:10,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:20:10,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:20:10,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 16:20:11,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:20:11,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:20:11,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:20:11,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:20:11,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:20:11,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:20:11,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:20:11,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:20:11,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:20:11,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:20:11,031 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:20:11,031 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:20:11,031 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:20:11,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:20:11,032 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:20:11,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:20:11,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:20:11,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:20:11,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:20:11,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:20:11,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:20:11,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:20:11,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:20:11,034 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:20:11,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:20:11,034 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_b3c72fb8-2c7c-4ac2-887b-97308d15621e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86beb7e463e80bf4cd7303ba718fa4bc3c1db625 [2020-12-01 16:20:11,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:20:11,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:20:11,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:20:11,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:20:11,351 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:20:11,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2020-12-01 16:20:11,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data/adae8ea89/3e4919f57c9f400798dcec814eda4b21/FLAG6ea0695ed [2020-12-01 16:20:12,073 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:20:12,074 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2020-12-01 16:20:12,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data/adae8ea89/3e4919f57c9f400798dcec814eda4b21/FLAG6ea0695ed [2020-12-01 16:20:12,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data/adae8ea89/3e4919f57c9f400798dcec814eda4b21 [2020-12-01 16:20:12,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:20:12,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:20:12,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:12,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:20:12,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:20:12,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b99185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12, skipping insertion in model container [2020-12-01 16:20:12,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:20:12,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:20:12,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:12,787 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:20:12,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:12,888 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:20:12,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12 WrapperNode [2020-12-01 16:20:12,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:12,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:12,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:20:12,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:20:12,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:12,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:20:12,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:20:12,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:20:12,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:20:12,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:20:12,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:20:12,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:20:12,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/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 [2020-12-01 16:20:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:20:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:20:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:20:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:20:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:20:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:20:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:20:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:20:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:20:13,827 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:20:13,828 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 16:20:13,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:13 BoogieIcfgContainer [2020-12-01 16:20:13,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:20:13,831 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:20:13,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:20:13,843 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:20:13,843 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:13" (1/1) ... [2020-12-01 16:20:13,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:20:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2020-12-01 16:20:13,891 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-12-01 16:20:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:20:13,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2020-12-01 16:20:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2020-12-01 16:20:14,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:20:14,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2020-12-01 16:20:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2020-12-01 16:20:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:20:14,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2020-12-01 16:20:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2020-12-01 16:20:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:20:14,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2020-12-01 16:20:15,140 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2020-12-01 16:20:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:20:15,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2020-12-01 16:20:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2020-12-01 16:20:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:20:15,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2020-12-01 16:20:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2020-12-01 16:20:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:20:15,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2020-12-01 16:20:17,216 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2020-12-01 16:20:17,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:20:17,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 94 states and 110 transitions. [2020-12-01 16:20:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2020-12-01 16:20:17,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:20:17,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2020-12-01 16:20:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2020-12-01 16:20:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:20:18,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 97 states and 117 transitions. [2020-12-01 16:20:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2020-12-01 16:20:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:20:19,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:20,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 99 states and 121 transitions. [2020-12-01 16:20:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2020-12-01 16:20:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:20:20,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:23,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 105 states and 132 transitions. [2020-12-01 16:20:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2020-12-01 16:20:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:20:23,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 113 states and 147 transitions. [2020-12-01 16:20:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 147 transitions. [2020-12-01 16:20:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:20:27,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 116 states and 153 transitions. [2020-12-01 16:20:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 153 transitions. [2020-12-01 16:20:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:20:27,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 119 states and 158 transitions. [2020-12-01 16:20:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2020-12-01 16:20:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:20:28,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:29,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 119 states and 157 transitions. [2020-12-01 16:20:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 157 transitions. [2020-12-01 16:20:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:20:29,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:29,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 120 states and 159 transitions. [2020-12-01 16:20:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2020-12-01 16:20:29,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:20:29,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 178 transitions. [2020-12-01 16:20:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 178 transitions. [2020-12-01 16:20:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:20:32,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:32,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:20:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 127 states and 175 transitions. [2020-12-01 16:20:33,108 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 175 transitions. [2020-12-01 16:20:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:20:33,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:20:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 120 states and 157 transitions. [2020-12-01 16:20:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 157 transitions. [2020-12-01 16:20:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:20:33,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 125 states and 169 transitions. [2020-12-01 16:20:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 169 transitions. [2020-12-01 16:20:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:20:35,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:39,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 131 states and 183 transitions. [2020-12-01 16:20:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 183 transitions. [2020-12-01 16:20:39,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:20:39,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 132 states and 185 transitions. [2020-12-01 16:20:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2020-12-01 16:20:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:20:40,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 133 states and 186 transitions. [2020-12-01 16:20:40,957 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 186 transitions. [2020-12-01 16:20:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:20:40,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 188 transitions. [2020-12-01 16:20:42,979 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2020-12-01 16:20:42,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:20:42,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:20:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 134 states and 187 transitions. [2020-12-01 16:20:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 187 transitions. [2020-12-01 16:20:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:20:43,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:20:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 133 states and 186 transitions. [2020-12-01 16:20:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 186 transitions. [2020-12-01 16:20:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:20:44,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 146 states and 209 transitions. [2020-12-01 16:20:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 209 transitions. [2020-12-01 16:20:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:20:54,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 153 states and 219 transitions. [2020-12-01 16:21:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 219 transitions. [2020-12-01 16:21:00,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:21:00,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:02,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 160 states and 244 transitions. [2020-12-01 16:21:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 244 transitions. [2020-12-01 16:21:11,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:21:11,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:12,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 161 states and 251 transitions. [2020-12-01 16:21:12,504 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 251 transitions. [2020-12-01 16:21:12,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:21:12,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 163 states and 254 transitions. [2020-12-01 16:21:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 254 transitions. [2020-12-01 16:21:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:21:14,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:20,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 167 states and 259 transitions. [2020-12-01 16:21:20,469 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 259 transitions. [2020-12-01 16:21:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:21:20,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:21:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 167 states and 258 transitions. [2020-12-01 16:21:24,968 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 258 transitions. [2020-12-01 16:21:24,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:21:24,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:21:25,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:25,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 167 states and 257 transitions. [2020-12-01 16:21:25,952 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 257 transitions. [2020-12-01 16:21:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:21:25,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 182 states and 285 transitions. [2020-12-01 16:21:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 285 transitions. [2020-12-01 16:21:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:21:45,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 183 states and 286 transitions. [2020-12-01 16:21:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 286 transitions. [2020-12-01 16:21:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:21:50,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:21:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 183 states and 285 transitions. [2020-12-01 16:21:57,920 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 285 transitions. [2020-12-01 16:21:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:21:57,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:22:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 183 states and 284 transitions. [2020-12-01 16:22:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 284 transitions. [2020-12-01 16:22:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:22:07,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:22:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 191 states and 303 transitions. [2020-12-01 16:22:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 303 transitions. [2020-12-01 16:22:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:22:34,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:22:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 190 states and 302 transitions. [2020-12-01 16:22:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 302 transitions. [2020-12-01 16:22:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:22:35,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:22:35,900 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:22:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:22:35,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:22:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:22:36,077 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:22:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:22:36,120 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:22:36,864 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 42 iterations. [2020-12-01 16:22:36,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:22:36 ImpRootNode [2020-12-01 16:22:36,933 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:22:36,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:22:36,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:22:36,934 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:22:36,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:13" (3/4) ... [2020-12-01 16:22:36,937 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 16:22:36,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:22:36,939 INFO L168 Benchmark]: Toolchain (without parser) took 144572.01 ms. Allocated memory was 92.3 MB in the beginning and 1.0 GB in the end (delta: 931.1 MB). Free memory was 60.1 MB in the beginning and 795.5 MB in the end (delta: -735.4 MB). Peak memory consumption was 193.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:36,940 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 73.4 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:22:36,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.87 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 57.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:36,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.82 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 55.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:36,941 INFO L168 Benchmark]: Boogie Preprocessor took 32.75 ms. Allocated memory is still 92.3 MB. Free memory was 55.5 MB in the beginning and 54.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:22:36,942 INFO L168 Benchmark]: RCFGBuilder took 859.23 ms. Allocated memory is still 92.3 MB. Free memory was 54.3 MB in the beginning and 50.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:36,943 INFO L168 Benchmark]: CodeCheck took 143102.08 ms. Allocated memory was 92.3 MB in the beginning and 1.0 GB in the end (delta: 931.1 MB). Free memory was 50.2 MB in the beginning and 795.5 MB in the end (delta: -745.3 MB). Peak memory consumption was 185.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:36,944 INFO L168 Benchmark]: Witness Printer took 3.49 ms. Allocated memory is still 1.0 GB. Free memory is still 795.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:22:36,947 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, 79 locations, 44 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 142.9s, OverallIterations: 42, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1946157056 SDtfs, -1318539130 SDslu, -1897679304 SDs, 0 SdLazy, 1027665512 SolverSat, 1828050986 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4699 GetRequests, 3971 SyntacticMatches, 94 SemanticMatches, 634 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182027 ImplicationChecksByTransitivity, 137.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 467 ConstructedInterpolants, 0 QuantifiedInterpolants, 36749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 34 PerfectInterpolantSequences, 56/78 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: 539]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 539. Possible FailurePath: [L524] int c = 0; [L541] struct item *list = ((void *)0); [L542] int length = 0; VAL [c=0] [L531] c++ [L532] struct item *item = malloc(sizeof *item); VAL [c=1] [L533] EXPR \read(**plist) VAL [c=1] [L533] item->next = *plist [L534] EXPR item->next VAL [c=1] [L534-L536] EXPR (item->next) ? item->next->data : malloc(sizeof *item) [L534-L536] EXPR (item->next) ? item->next->data : malloc(sizeof *item) VAL [c=1] [L534-L536] item->data = (item->next) ? item->next->data : malloc(sizeof *item) [L537] *plist = item [L545] length++ [L546] COND FALSE !(__VERIFIER_nondet_int() && c < 20) [L547] COND TRUE length > 0 VAL [c=1] [L548] COND FALSE !(length < 0) VAL [c=1] [L551] EXPR \read(*list) VAL [c=1] [L551] EXPR list->next [L551] struct item *next = list->next; [L552] EXPR \read(*list) VAL [c=1] [L552] free(list) VAL [c=1] [L552] free(list) VAL [c=1] [L552] free(list) [L553] list = next [L554] length-- VAL [c=1] [L556] COND FALSE !(length > 0) [L562] return 0; [L541] struct item *list = ((void *)0); [L562] return 0; VAL [c=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 73.4 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.87 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 57.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.82 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 55.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.75 ms. Allocated memory is still 92.3 MB. Free memory was 55.5 MB in the beginning and 54.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 859.23 ms. Allocated memory is still 92.3 MB. Free memory was 54.3 MB in the beginning and 50.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * CodeCheck took 143102.08 ms. Allocated memory was 92.3 MB in the beginning and 1.0 GB in the end (delta: 931.1 MB). Free memory was 50.2 MB in the beginning and 795.5 MB in the end (delta: -745.3 MB). Peak memory consumption was 185.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.49 ms. Allocated memory is still 1.0 GB. Free memory is still 795.5 MB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:22:39,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:22:39,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:22:39,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:22:39,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:22:39,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:22:39,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:22:39,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:22:39,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:22:39,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:22:39,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:22:39,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:22:39,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:22:39,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:22:39,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:22:39,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:22:39,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:22:39,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:22:39,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:22:39,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:22:39,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:22:39,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:22:39,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:22:39,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:22:39,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:22:39,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:22:39,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:22:39,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:22:39,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:22:39,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:22:39,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:22:39,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:22:39,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:22:39,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:22:39,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:22:39,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:22:39,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:22:39,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:22:39,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:22:39,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:22:39,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:22:39,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-12-01 16:22:39,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:22:39,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:22:39,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:22:39,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:22:39,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:22:39,629 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:22:39,629 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:22:39,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:22:39,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:22:39,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:22:39,631 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:22:39,631 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:22:39,632 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:22:39,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:22:39,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:22:39,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:22:39,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:22:39,633 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:22:39,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:22:39,633 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:22:39,633 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:22:39,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:22:39,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:22:39,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:22:39,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:22:39,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:22:39,635 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:22:39,635 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:22:39,635 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:22:39,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:22:39,636 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_b3c72fb8-2c7c-4ac2-887b-97308d15621e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86beb7e463e80bf4cd7303ba718fa4bc3c1db625 [2020-12-01 16:22:40,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:22:40,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:22:40,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:22:40,086 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:22:40,087 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:22:40,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2020-12-01 16:22:40,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data/19ae01003/3fc61eb75a2b4749996374c72c116bb6/FLAG0bf98d668 [2020-12-01 16:22:40,767 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:22:40,767 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2020-12-01 16:22:40,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data/19ae01003/3fc61eb75a2b4749996374c72c116bb6/FLAG0bf98d668 [2020-12-01 16:22:41,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/bin/ukojak/data/19ae01003/3fc61eb75a2b4749996374c72c116bb6 [2020-12-01 16:22:41,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:22:41,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:22:41,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:22:41,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:22:41,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:22:41,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100125ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41, skipping insertion in model container [2020-12-01 16:22:41,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:22:41,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:22:41,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:22:41,531 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:22:41,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:22:41,642 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:22:41,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41 WrapperNode [2020-12-01 16:22:41,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:22:41,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:22:41,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:22:41,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:22:41,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:22:41,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:22:41,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:22:41,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:22:41,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... [2020-12-01 16:22:41,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:22:41,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:22:41,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:22:41,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:22:41,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b3c72fb8-2c7c-4ac2-887b-97308d15621e/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 [2020-12-01 16:22:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:22:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:22:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:22:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:22:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:22:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:22:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 16:22:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:22:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:22:42,886 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:22:42,889 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 16:22:42,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:22:42 BoogieIcfgContainer [2020-12-01 16:22:42,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:22:42,893 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:22:42,893 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:22:42,903 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:22:42,903 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:22:42" (1/1) ... [2020-12-01 16:22:42,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:22:42,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2020-12-01 16:22:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-12-01 16:22:42,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:22:42,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:43,009 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) [2020-12-01 16:22:43,017 INFO L168 Benchmark]: Toolchain (without parser) took 1928.97 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.6 MB in the beginning and 31.3 MB in the end (delta: 287.6 kB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:43,018 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:22:43,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.87 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 24.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:43,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.46 ms. Allocated memory is still 54.5 MB. Free memory was 24.8 MB in the beginning and 22.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:43,022 INFO L168 Benchmark]: Boogie Preprocessor took 59.05 ms. Allocated memory is still 54.5 MB. Free memory was 22.6 MB in the beginning and 21.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:22:43,023 INFO L168 Benchmark]: RCFGBuilder took 1131.50 ms. Allocated memory is still 75.5 MB. Free memory was 58.2 MB in the beginning and 36.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:43,024 INFO L168 Benchmark]: CodeCheck took 120.60 ms. Allocated memory is still 75.5 MB. Free memory was 36.3 MB in the beginning and 31.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:43,033 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 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.87 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 24.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.46 ms. Allocated memory is still 54.5 MB. Free memory was 24.8 MB in the beginning and 22.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.05 ms. Allocated memory is still 54.5 MB. Free memory was 22.6 MB in the beginning and 21.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1131.50 ms. Allocated memory is still 75.5 MB. Free memory was 58.2 MB in the beginning and 36.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * CodeCheck took 120.60 ms. Allocated memory is still 75.5 MB. Free memory was 36.3 MB in the beginning and 31.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...