./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/list_flag-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_flag-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/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 e2748dac41bc6cdd06fa5d8793326edbc7d40c79 ............................................................................................................................................................................................................................................................................................................................................................................................. 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_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_flag-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/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 e2748dac41bc6cdd06fa5d8793326edbc7d40c79 .................................................................................................................................................................................................................... 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 04:40:35,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:40:35,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:40:36,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:40:36,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:40:36,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:40:36,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:40:36,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:40:36,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:40:36,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:40:36,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:40:36,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:40:36,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:40:36,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:40:36,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:40:36,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:40:36,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:40:36,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:40:36,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:40:36,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:40:36,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:40:36,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:40:36,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:40:36,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:40:36,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:40:36,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:40:36,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:40:36,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:40:36,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:40:36,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:40:36,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:40:36,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:40:36,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:40:36,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:40:36,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:40:36,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:40:36,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:40:36,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:40:36,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:40:36,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:40:36,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:40:36,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:40:36,148 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:40:36,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:40:36,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:40:36,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:40:36,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:40:36,151 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:40:36,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:40:36,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:40:36,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:40:36,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:40:36,152 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:40:36,153 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:40:36,153 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:40:36,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:40:36,153 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:40:36,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:40:36,154 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:40:36,154 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:40:36,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:40:36,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:40:36,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:40:36,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:40:36,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:40:36,155 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:40:36,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:40:36,156 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_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2748dac41bc6cdd06fa5d8793326edbc7d40c79 [2020-11-28 04:40:36,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:40:36,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:40:36,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:40:36,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:40:36,434 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:40:36,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/../../sv-benchmarks/c/list-properties/list_flag-2.i [2020-11-28 04:40:36,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data/398d2c2ea/1602355ed7424dd186075477b6dfe936/FLAG2e869562c [2020-11-28 04:40:36,997 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:40:36,998 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/sv-benchmarks/c/list-properties/list_flag-2.i [2020-11-28 04:40:37,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data/398d2c2ea/1602355ed7424dd186075477b6dfe936/FLAG2e869562c [2020-11-28 04:40:37,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data/398d2c2ea/1602355ed7424dd186075477b6dfe936 [2020-11-28 04:40:37,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:40:37,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:40:37,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:40:37,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:40:37,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:40:37,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:37,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e90719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37, skipping insertion in model container [2020-11-28 04:40:37,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:37,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:40:37,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:40:37,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:40:37,896 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:40:37,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:40:37,984 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:40:37,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37 WrapperNode [2020-11-28 04:40:37,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:40:37,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:40:37,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:40:37,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:40:37,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:40:38,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:40:38,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:40:38,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:40:38,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:38,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:40:38,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:40:38,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:40:38,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:40:38,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/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 04:40:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:40:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:40:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:40:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:40:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:40:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:40:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:40:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:40:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:40:38,793 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:40:38,793 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-28 04:40:38,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:38 BoogieIcfgContainer [2020-11-28 04:40:38,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:40:38,796 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:40:38,796 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:40:38,808 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:40:38,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:40:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 50 states and 61 transitions. [2020-11-28 04:40:38,870 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2020-11-28 04:40:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:40:38,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:39,031 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 04:40:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2020-11-28 04:40:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2020-11-28 04:40:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:40:39,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:39,152 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 04:40:39,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2020-11-28 04:40:39,229 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2020-11-28 04:40:39,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:40:39,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:39,307 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 04:40:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2020-11-28 04:40:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2020-11-28 04:40:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:40:39,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:39,700 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 04:40:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2020-11-28 04:40:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2020-11-28 04:40:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:40:39,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:39,764 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 04:40:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2020-11-28 04:40:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2020-11-28 04:40:39,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:40:39,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:39,822 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 04:40:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2020-11-28 04:40:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2020-11-28 04:40:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:40:39,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:39,864 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 04:40:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2020-11-28 04:40:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2020-11-28 04:40:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:40:39,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:39,967 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 04:40:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2020-11-28 04:40:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2020-11-28 04:40:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:40:40,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:40,242 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 04:40:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2020-11-28 04:40:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2020-11-28 04:40:40,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:40:40,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:40,593 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 04:40:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2020-11-28 04:40:40,608 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2020-11-28 04:40:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:40:40,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:40,637 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 04:40:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2020-11-28 04:40:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-11-28 04:40:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:40,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:40,679 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 04:40:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 104 transitions. [2020-11-28 04:40:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-28 04:40:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:40,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:40,849 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 04:40:41,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2020-11-28 04:40:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-11-28 04:40:41,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:41,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:41,129 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 04:40:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2020-11-28 04:40:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-11-28 04:40:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:41,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:41,316 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 04:40:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2020-11-28 04:40:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2020-11-28 04:40:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:41,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:41,815 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 04:40:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2020-11-28 04:40:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2020-11-28 04:40:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:41,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:41,862 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 04:40:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 78 states and 115 transitions. [2020-11-28 04:40:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2020-11-28 04:40:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:41,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:41,903 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 04:40:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2020-11-28 04:40:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2020-11-28 04:40:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:41,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:42,029 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 04:40:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2020-11-28 04:40:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-11-28 04:40:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:42,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:42,348 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 04:40:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 78 states and 117 transitions. [2020-11-28 04:40:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 117 transitions. [2020-11-28 04:40:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:42,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:42,411 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 04:40:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 121 transitions. [2020-11-28 04:40:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2020-11-28 04:40:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:40:42,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:42,488 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 04:40:42,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 80 states and 120 transitions. [2020-11-28 04:40:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 120 transitions. [2020-11-28 04:40:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:40:42,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:42,588 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 04:40:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2020-11-28 04:40:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2020-11-28 04:40:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:40:42,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:42,894 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:42,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:42,946 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:42,960 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:42,992 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2020-11-28 04:40:43,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:40:43 ImpRootNode [2020-11-28 04:40:43,041 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:40:43,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:40:43,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:40:43,042 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:40:43,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:38" (3/4) ... [2020-11-28 04:40:43,045 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 04:40:43,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:40:43,047 INFO L168 Benchmark]: Toolchain (without parser) took 5509.59 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 69.3 MB in the beginning and 61.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:43,062 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 41.4 MB in the beginning and 41.4 MB in the end (delta: 67.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:43,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.57 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 65.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:43,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.75 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 63.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:43,064 INFO L168 Benchmark]: Boogie Preprocessor took 55.65 ms. Allocated memory is still 100.7 MB. Free memory was 63.7 MB in the beginning and 62.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:43,065 INFO L168 Benchmark]: RCFGBuilder took 680.04 ms. Allocated memory is still 100.7 MB. Free memory was 62.2 MB in the beginning and 78.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:43,066 INFO L168 Benchmark]: CodeCheck took 4245.06 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 77.6 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 64.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:43,066 INFO L168 Benchmark]: Witness Printer took 3.95 ms. Allocated memory is still 151.0 MB. Free memory was 62.9 MB in the beginning and 61.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:43,071 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, 50 locations, 22 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.1s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72700752 SDtfs, 34283546 SDslu, 44354880 SDs, 0 SdLazy, 88600540 SolverSat, 33026498 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1484 GetRequests, 1394 SyntacticMatches, 26 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 4981 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 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: 531]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 531. Possible FailurePath: [L532] int flag = __VERIFIER_nondet_int(); [L533] List p, a, t; [L534] a = (List) malloc(sizeof(struct node)) [L535] COND FALSE !(a == 0) [L536] p = a [L537] COND FALSE !(__VERIFIER_nondet_int()) [L548] p->h = 3 [L549] p = a [L550] COND TRUE \read(flag) [L551] EXPR p->h [L551] COND FALSE !(p->h == 1) [L556] EXPR p->h [L556] COND FALSE !(p->h != 3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 41.4 MB in the beginning and 41.4 MB in the end (delta: 67.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 446.57 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 65.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.75 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 63.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.65 ms. Allocated memory is still 100.7 MB. Free memory was 63.7 MB in the beginning and 62.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 680.04 ms. Allocated memory is still 100.7 MB. Free memory was 62.2 MB in the beginning and 78.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * CodeCheck took 4245.06 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 77.6 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 64.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.95 ms. Allocated memory is still 151.0 MB. Free memory was 62.9 MB in the beginning and 61.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. 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-a4ecdab [2020-11-28 04:40:45,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:40:45,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:40:45,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:40:45,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:40:45,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:40:45,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:40:45,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:40:45,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:40:45,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:40:45,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:40:45,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:40:45,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:40:45,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:40:45,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:40:45,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:40:45,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:40:45,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:40:45,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:40:45,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:40:45,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:40:45,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:40:45,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:40:45,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:40:45,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:40:45,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:40:45,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:40:45,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:40:45,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:40:45,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:40:45,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:40:45,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:40:45,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:40:45,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:40:45,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:40:45,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:40:45,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:40:45,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:40:45,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:40:45,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:40:45,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:40:45,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-11-28 04:40:45,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:40:45,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:40:45,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:40:45,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:40:45,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:40:45,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:40:45,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:40:45,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:40:45,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:40:45,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:40:45,783 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:40:45,783 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:40:45,783 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:40:45,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:40:45,784 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:40:45,784 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:40:45,784 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:40:45,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:40:45,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:40:45,785 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:40:45,785 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:40:45,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:40:45,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:40:45,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:40:45,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:40:45,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:40:45,787 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:40:45,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:40:45,787 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:40:45,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:40:45,787 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_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2748dac41bc6cdd06fa5d8793326edbc7d40c79 [2020-11-28 04:40:46,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:40:46,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:40:46,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:40:46,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:40:46,206 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:40:46,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/../../sv-benchmarks/c/list-properties/list_flag-2.i [2020-11-28 04:40:46,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data/4c1b274b2/c0868f88793b472b829c991ddda492ef/FLAG0932e4932 [2020-11-28 04:40:46,839 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:40:46,840 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/sv-benchmarks/c/list-properties/list_flag-2.i [2020-11-28 04:40:46,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data/4c1b274b2/c0868f88793b472b829c991ddda492ef/FLAG0932e4932 [2020-11-28 04:40:47,148 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/bin/ukojak/data/4c1b274b2/c0868f88793b472b829c991ddda492ef [2020-11-28 04:40:47,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:40:47,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:40:47,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:40:47,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:40:47,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:40:47,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b239d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47, skipping insertion in model container [2020-11-28 04:40:47,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:40:47,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:40:47,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:40:47,658 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:40:47,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:40:47,755 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:40:47,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47 WrapperNode [2020-11-28 04:40:47,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:40:47,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:40:47,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:40:47,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:40:47,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:40:47,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:40:47,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:40:47,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:40:47,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... [2020-11-28 04:40:47,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:40:47,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:40:47,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:40:47,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:40:47,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74ed6719-8fb8-4d01-b5ca-6cdb8071cd41/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 04:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 04:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:40:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 04:40:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 04:40:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:40:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:40:48,689 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:40:48,689 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-28 04:40:48,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:48 BoogieIcfgContainer [2020-11-28 04:40:48,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:40:48,692 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:40:48,692 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:40:48,703 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:40:48,703 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:48" (1/1) ... [2020-11-28 04:40:48,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:40:48,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2020-11-28 04:40:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2020-11-28 04:40:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:40:48,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:48,804 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 04:40:48,812 INFO L168 Benchmark]: Toolchain (without parser) took 1654.30 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.2 MB in the beginning and 38.5 MB in the end (delta: -1.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:48,813 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 58.7 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:48,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.02 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 29.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:48,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.75 ms. Allocated memory is still 58.7 MB. Free memory was 29.0 MB in the beginning and 27.1 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:48,816 INFO L168 Benchmark]: Boogie Preprocessor took 57.79 ms. Allocated memory is still 71.3 MB. Free memory was 55.4 MB in the beginning and 54.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:48,817 INFO L168 Benchmark]: RCFGBuilder took 788.89 ms. Allocated memory is still 71.3 MB. Free memory was 54.1 MB in the beginning and 43.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:48,818 INFO L168 Benchmark]: CodeCheck took 116.70 ms. Allocated memory is still 71.3 MB. Free memory was 43.4 MB in the beginning and 38.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:48,827 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 0.23 ms. Allocated memory is still 58.7 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 600.02 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 29.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.75 ms. Allocated memory is still 58.7 MB. Free memory was 29.0 MB in the beginning and 27.1 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.79 ms. Allocated memory is still 71.3 MB. Free memory was 55.4 MB in the beginning and 54.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 788.89 ms. Allocated memory is still 71.3 MB. Free memory was 54.1 MB in the beginning and 43.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 116.70 ms. Allocated memory is still 71.3 MB. Free memory was 43.4 MB in the beginning and 38.5 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...