./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_flag-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/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_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_flag-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/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 0.2.0-69874e2 [2020-12-01 17:33:24,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:33:24,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:33:24,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:33:24,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:33:24,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:33:24,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:33:24,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:33:24,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:33:24,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:33:24,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:33:24,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:33:24,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:33:24,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:33:24,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:33:24,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:33:24,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:33:24,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:33:24,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:33:24,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:33:24,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:33:24,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:33:24,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:33:24,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:33:24,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:33:24,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:33:24,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:33:24,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:33:24,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:33:24,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:33:24,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:33:24,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:33:24,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:33:24,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:33:24,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:33:24,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:33:24,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:33:24,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:33:24,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:33:24,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:33:24,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:33:24,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:33:24,907 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:33:24,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:33:24,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:33:24,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:33:24,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:33:24,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:33:24,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:33:24,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:33:24,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:33:24,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:33:24,914 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:33:24,915 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:33:24,915 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:33:24,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:33:24,916 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:33:24,916 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:33:24,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:33:24,917 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:33:24,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:33:24,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:33:24,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:33:24,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:33:24,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:33:24,919 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:33:24,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:33:24,919 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_51c5723b-ba98-494a-a28a-582a2ab8c2c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2748dac41bc6cdd06fa5d8793326edbc7d40c79 [2020-12-01 17:33:25,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:33:25,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:33:25,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:33:25,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:33:25,270 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:33:25,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/../../sv-benchmarks/c/list-properties/list_flag-2.i [2020-12-01 17:33:25,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data/58b702a79/3471213a74cc46e59c5bb0aebfde64c4/FLAGabc14ce78 [2020-12-01 17:33:26,001 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:33:26,002 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/sv-benchmarks/c/list-properties/list_flag-2.i [2020-12-01 17:33:26,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data/58b702a79/3471213a74cc46e59c5bb0aebfde64c4/FLAGabc14ce78 [2020-12-01 17:33:26,304 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data/58b702a79/3471213a74cc46e59c5bb0aebfde64c4 [2020-12-01 17:33:26,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:33:26,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:33:26,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:33:26,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:33:26,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:33:26,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:26,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2401f491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26, skipping insertion in model container [2020-12-01 17:33:26,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:26,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:33:26,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:33:26,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:33:26,798 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:33:26,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:33:26,977 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:33:26,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26 WrapperNode [2020-12-01 17:33:26,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:33:26,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:33:26,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:33:26,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:33:26,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:33:27,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:33:27,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:33:27,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:33:27,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... [2020-12-01 17:33:27,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:33:27,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:33:27,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:33:27,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:33:27,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/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 17:33:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:33:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:33:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:33:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:33:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:33:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:33:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:33:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:33:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:33:27,757 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:33:27,757 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 17:33:27,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:33:27 BoogieIcfgContainer [2020-12-01 17:33:27,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:33:27,761 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:33:27,762 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:33:27,776 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:33:27,776 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:33:27" (1/1) ... [2020-12-01 17:33:27,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:33:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 50 states and 61 transitions. [2020-12-01 17:33:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2020-12-01 17:33:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:33:27,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:28,043 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 17:33:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:28,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2020-12-01 17:33:28,060 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2020-12-01 17:33:28,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:33:28,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:28,206 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 17:33:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2020-12-01 17:33:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2020-12-01 17:33:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:33:28,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:28,409 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 17:33:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2020-12-01 17:33:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2020-12-01 17:33:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:33:28,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:28,744 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 17:33:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2020-12-01 17:33:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2020-12-01 17:33:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:33:28,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:28,814 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 17:33:28,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2020-12-01 17:33:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2020-12-01 17:33:28,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:33:28,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:28,873 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 17:33:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2020-12-01 17:33:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2020-12-01 17:33:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:33:28,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:28,933 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 17:33:28,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2020-12-01 17:33:28,958 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2020-12-01 17:33:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:33:28,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:29,042 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 17:33:29,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2020-12-01 17:33:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2020-12-01 17:33:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:33:29,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:29,342 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 17:33:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2020-12-01 17:33:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2020-12-01 17:33:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:33:29,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:33:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2020-12-01 17:33:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2020-12-01 17:33:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:33:29,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:29,774 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 17:33:29,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2020-12-01 17:33:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-12-01 17:33:29,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:29,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:33:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 104 transitions. [2020-12-01 17:33:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-12-01 17:33:29,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:29,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:29,985 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 17:33:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2020-12-01 17:33:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-12-01 17:33:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:30,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:30,260 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 17:33:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:30,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2020-12-01 17:33:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-12-01 17:33:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:30,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:30,423 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 17:33:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2020-12-01 17:33:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2020-12-01 17:33:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:30,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:30,984 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 17:33:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2020-12-01 17:33:30,995 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2020-12-01 17:33:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:31,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:31,028 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 17:33:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 80 states and 118 transitions. [2020-12-01 17:33:31,114 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2020-12-01 17:33:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:31,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:31,145 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 17:33:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2020-12-01 17:33:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2020-12-01 17:33:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:31,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:31,241 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 17:33:31,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 124 transitions. [2020-12-01 17:33:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 124 transitions. [2020-12-01 17:33:31,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:31,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:31,606 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 17:33:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 82 states and 123 transitions. [2020-12-01 17:33:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 123 transitions. [2020-12-01 17:33:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:33:31,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:31,663 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 17:33:31,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2020-12-01 17:33:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2020-12-01 17:33:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:33:31,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:31,718 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 17:33:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 84 states and 126 transitions. [2020-12-01 17:33:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2020-12-01 17:33:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:33:31,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:33:31,810 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 17:33:32,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:32,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2020-12-01 17:33:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2020-12-01 17:33:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:33:32,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:33:32,102 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:33:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:33:32,112 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:33:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:33:32,181 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:33:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:33:32,197 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:33:32,421 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2020-12-01 17:33:32,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:33:32 ImpRootNode [2020-12-01 17:33:32,452 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:33:32,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:33:32,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:33:32,453 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:33:32,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:33:27" (3/4) ... [2020-12-01 17:33:32,457 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 17:33:32,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:33:32,460 INFO L168 Benchmark]: Toolchain (without parser) took 6148.82 ms. Allocated memory was 92.3 MB in the beginning and 138.4 MB in the end (delta: 46.1 MB). Free memory was 62.7 MB in the beginning and 107.0 MB in the end (delta: -44.4 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:32,460 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:33:32,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.84 ms. Allocated memory is still 92.3 MB. Free memory was 62.4 MB in the beginning and 57.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:32,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.07 ms. Allocated memory is still 92.3 MB. Free memory was 57.0 MB in the beginning and 55.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:32,463 INFO L168 Benchmark]: Boogie Preprocessor took 36.46 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 53.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:33:32,464 INFO L168 Benchmark]: RCFGBuilder took 690.34 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 73.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:32,465 INFO L168 Benchmark]: CodeCheck took 4690.18 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 73.3 MB in the beginning and 108.1 MB in the end (delta: -34.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:33:32,466 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:32,472 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: 4.6s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72700752 SDtfs, 34283098 SDslu, 44355200 SDs, 0 SdLazy, 88600668 SolverSat, 33026498 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1486 GetRequests, 1394 SyntacticMatches, 26 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1490 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s 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 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.84 ms. Allocated memory is still 92.3 MB. Free memory was 62.4 MB in the beginning and 57.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.07 ms. Allocated memory is still 92.3 MB. Free memory was 57.0 MB in the beginning and 55.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.46 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 53.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 690.34 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 73.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * CodeCheck took 4690.18 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 73.3 MB in the beginning and 108.1 MB in the end (delta: -34.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.20 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.0 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 0.2.0-69874e2 [2020-12-01 17:33:35,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:33:35,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:33:35,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:33:35,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:33:35,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:33:35,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:33:35,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:33:35,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:33:35,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:33:35,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:33:35,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:33:35,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:33:35,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:33:35,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:33:35,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:33:35,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:33:35,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:33:35,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:33:35,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:33:35,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:33:35,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:33:35,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:33:35,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:33:35,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:33:35,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:33:35,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:33:35,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:33:35,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:33:35,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:33:35,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:33:35,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:33:35,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:33:35,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:33:35,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:33:35,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:33:35,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:33:35,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:33:35,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:33:35,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:33:35,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:33:35,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-12-01 17:33:35,675 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:33:35,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:33:35,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:33:35,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:33:35,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:33:35,677 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:33:35,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:33:35,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:33:35,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:33:35,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:33:35,678 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:33:35,679 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:33:35,679 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:33:35,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:33:35,679 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:33:35,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:33:35,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:33:35,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:33:35,680 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:33:35,681 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:33:35,681 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:33:35,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:33:35,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:33:35,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:33:35,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:33:35,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:33:35,682 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:33:35,683 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:33:35,683 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:33:35,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:33:35,683 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_51c5723b-ba98-494a-a28a-582a2ab8c2c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2748dac41bc6cdd06fa5d8793326edbc7d40c79 [2020-12-01 17:33:36,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:33:36,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:33:36,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:33:36,184 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:33:36,188 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:33:36,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/../../sv-benchmarks/c/list-properties/list_flag-2.i [2020-12-01 17:33:36,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data/589cf04e2/e8c90d710aec467295499eb43c1c4039/FLAG4bf70d292 [2020-12-01 17:33:37,007 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:33:37,013 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/sv-benchmarks/c/list-properties/list_flag-2.i [2020-12-01 17:33:37,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data/589cf04e2/e8c90d710aec467295499eb43c1c4039/FLAG4bf70d292 [2020-12-01 17:33:37,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/bin/ukojak/data/589cf04e2/e8c90d710aec467295499eb43c1c4039 [2020-12-01 17:33:37,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:33:37,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:33:37,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:33:37,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:33:37,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:33:37,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:33:37" (1/1) ... [2020-12-01 17:33:37,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b60b135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:37, skipping insertion in model container [2020-12-01 17:33:37,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:33:37" (1/1) ... [2020-12-01 17:33:37,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:33:37,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:33:37,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:33:37,853 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:33:37,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:33:38,044 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:33:38,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38 WrapperNode [2020-12-01 17:33:38,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:33:38,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:33:38,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:33:38,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:33:38,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:33:38,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:33:38,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:33:38,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:33:38,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... [2020-12-01 17:33:38,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:33:38,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:33:38,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:33:38,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:33:38,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:33:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51c5723b-ba98-494a-a28a-582a2ab8c2c5/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 17:33:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 17:33:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:33:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:33:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:33:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:33:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 17:33:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:33:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:33:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:33:39,281 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:33:39,282 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 17:33:39,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:33:39 BoogieIcfgContainer [2020-12-01 17:33:39,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:33:39,286 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:33:39,286 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:33:39,300 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:33:39,300 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:33:39" (1/1) ... [2020-12-01 17:33:39,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:33:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:33:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2020-12-01 17:33:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2020-12-01 17:33:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:33:39,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:33:39,400 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 17:33:39,406 INFO L168 Benchmark]: Toolchain (without parser) took 2133.16 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 47.0 MB in the beginning and 59.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:39,407 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:33:39,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.36 ms. Allocated memory is still 65.0 MB. Free memory was 46.8 MB in the beginning and 35.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:39,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.71 ms. Allocated memory is still 65.0 MB. Free memory was 35.6 MB in the beginning and 33.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:39,410 INFO L168 Benchmark]: Boogie Preprocessor took 90.76 ms. Allocated memory is still 65.0 MB. Free memory was 33.6 MB in the beginning and 32.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:39,410 INFO L168 Benchmark]: RCFGBuilder took 1044.04 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 32.1 MB in the beginning and 65.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:39,411 INFO L168 Benchmark]: CodeCheck took 117.42 ms. Allocated memory is still 88.1 MB. Free memory was 65.1 MB in the beginning and 59.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:33:39,416 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 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 773.36 ms. Allocated memory is still 65.0 MB. Free memory was 46.8 MB in the beginning and 35.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.71 ms. Allocated memory is still 65.0 MB. Free memory was 35.6 MB in the beginning and 33.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.76 ms. Allocated memory is still 65.0 MB. Free memory was 33.6 MB in the beginning and 32.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1044.04 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 32.1 MB in the beginning and 65.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * CodeCheck took 117.42 ms. Allocated memory is still 88.1 MB. Free memory was 65.1 MB in the beginning and 59.9 MB in the end (delta: 5.3 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...