./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-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_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/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 c8850e617230fbb23d096e299440f36502352977 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/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 c8850e617230fbb23d096e299440f36502352977 ..................................................................................................................................................................................................................... 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 17:58:14,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:58:14,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:58:14,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:58:14,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:58:14,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:58:14,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:58:14,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:58:14,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:58:14,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:58:14,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:58:14,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:58:14,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:58:14,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:58:14,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:58:14,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:58:14,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:58:14,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:58:14,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:58:14,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:58:14,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:58:14,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:58:14,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:58:14,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:58:14,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:58:14,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:58:14,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:58:14,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:58:14,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:58:14,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:58:14,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:58:14,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:58:14,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:58:14,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:58:14,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:58:14,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:58:14,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:58:14,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:58:14,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:58:14,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:58:14,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:58:14,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:58:15,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:58:15,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:58:15,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:58:15,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:58:15,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:58:15,035 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:58:15,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:58:15,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:58:15,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:58:15,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:58:15,037 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:58:15,037 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:58:15,038 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:58:15,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:58:15,038 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:58:15,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:58:15,039 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:58:15,039 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:58:15,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:58:15,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:58:15,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:58:15,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:58:15,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:58:15,041 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:58:15,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:58:15,042 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_5e89ba6d-b26e-4a33-bca4-a8893a1de898/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8850e617230fbb23d096e299440f36502352977 [2020-12-01 17:58:15,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:58:15,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:58:15,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:58:15,459 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:58:15,460 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:58:15,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2020-12-01 17:58:15,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data/a58b96b1a/724dd09e9b474429bb2d2277abd99684/FLAG21259d432 [2020-12-01 17:58:16,307 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:58:16,308 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/sv-benchmarks/c/heap-manipulation/tree-2.i [2020-12-01 17:58:16,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data/a58b96b1a/724dd09e9b474429bb2d2277abd99684/FLAG21259d432 [2020-12-01 17:58:16,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data/a58b96b1a/724dd09e9b474429bb2d2277abd99684 [2020-12-01 17:58:16,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:58:16,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:58:16,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:58:16,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:58:16,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:58:16,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:16" (1/1) ... [2020-12-01 17:58:16,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd770a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:16, skipping insertion in model container [2020-12-01 17:58:16,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:16" (1/1) ... [2020-12-01 17:58:16,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:58:16,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:58:17,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:58:17,112 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:58:17,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:58:17,300 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:58:17,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17 WrapperNode [2020-12-01 17:58:17,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:58:17,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:58:17,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:58:17,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:58:17,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:58:17,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:58:17,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:58:17,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:58:17,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... [2020-12-01 17:58:17,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:58:17,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:58:17,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:58:17,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:58:17,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/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 17:58:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:58:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:58:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:58:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:58:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:58:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:58:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:58:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:58:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:58:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:58:18,876 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:58:18,878 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-12-01 17:58:18,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:18 BoogieIcfgContainer [2020-12-01 17:58:18,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:58:18,890 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:58:18,890 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:58:18,904 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:58:18,904 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:18" (1/1) ... [2020-12-01 17:58:18,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:58:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 132 states and 155 transitions. [2020-12-01 17:58:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-12-01 17:58:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:58:18,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:19,224 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 17:58:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 131 states and 153 transitions. [2020-12-01 17:58:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2020-12-01 17:58:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:58:19,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:19,407 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 17:58:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2020-12-01 17:58:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2020-12-01 17:58:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:58:19,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:19,589 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 17:58:19,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 151 transitions. [2020-12-01 17:58:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-12-01 17:58:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:58:19,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:19,713 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 17:58:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 150 transitions. [2020-12-01 17:58:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-12-01 17:58:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:58:19,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:19,838 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 17:58:19,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 131 states and 155 transitions. [2020-12-01 17:58:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2020-12-01 17:58:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:58:19,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:19,984 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 17:58:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 136 states and 164 transitions. [2020-12-01 17:58:20,151 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2020-12-01 17:58:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:58:20,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:20,231 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 17:58:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 139 states and 168 transitions. [2020-12-01 17:58:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 168 transitions. [2020-12-01 17:58:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:58:20,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:20,706 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 17:58:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 141 states and 171 transitions. [2020-12-01 17:58:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 171 transitions. [2020-12-01 17:58:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:58:20,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:20,974 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 17:58:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 143 states and 176 transitions. [2020-12-01 17:58:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2020-12-01 17:58:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:58:21,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:21,145 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 17:58:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 143 states and 174 transitions. [2020-12-01 17:58:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 174 transitions. [2020-12-01 17:58:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:58:21,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:21,225 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 17:58:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 144 states and 173 transitions. [2020-12-01 17:58:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 173 transitions. [2020-12-01 17:58:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:58:21,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 146 states and 177 transitions. [2020-12-01 17:58:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 177 transitions. [2020-12-01 17:58:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:58:21,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 150 states and 185 transitions. [2020-12-01 17:58:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2020-12-01 17:58:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:58:22,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 187 transitions. [2020-12-01 17:58:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2020-12-01 17:58:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:58:22,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 151 states and 186 transitions. [2020-12-01 17:58:22,530 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2020-12-01 17:58:22,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:58:22,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 152 states and 188 transitions. [2020-12-01 17:58:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2020-12-01 17:58:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:58:22,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2020-12-01 17:58:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2020-12-01 17:58:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:58:23,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 160 states and 203 transitions. [2020-12-01 17:58:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2020-12-01 17:58:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:58:25,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:26,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 162 states and 208 transitions. [2020-12-01 17:58:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2020-12-01 17:58:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:58:26,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 164 states and 211 transitions. [2020-12-01 17:58:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 211 transitions. [2020-12-01 17:58:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:58:27,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 213 transitions. [2020-12-01 17:58:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 213 transitions. [2020-12-01 17:58:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:58:28,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 167 states and 216 transitions. [2020-12-01 17:58:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 216 transitions. [2020-12-01 17:58:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:58:28,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 167 states and 215 transitions. [2020-12-01 17:58:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2020-12-01 17:58:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:58:29,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:58:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 167 states and 214 transitions. [2020-12-01 17:58:30,173 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 214 transitions. [2020-12-01 17:58:30,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:58:30,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 172 states and 222 transitions. [2020-12-01 17:58:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2020-12-01 17:58:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:58:32,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 174 states and 227 transitions. [2020-12-01 17:58:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 227 transitions. [2020-12-01 17:58:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:58:35,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 175 states and 229 transitions. [2020-12-01 17:58:35,500 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 229 transitions. [2020-12-01 17:58:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:58:35,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 177 states and 232 transitions. [2020-12-01 17:58:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2020-12-01 17:58:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:58:36,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 181 states and 241 transitions. [2020-12-01 17:58:38,193 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 241 transitions. [2020-12-01 17:58:38,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:58:38,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:38,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 183 states and 246 transitions. [2020-12-01 17:58:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 246 transitions. [2020-12-01 17:58:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:58:40,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 184 states and 248 transitions. [2020-12-01 17:58:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 248 transitions. [2020-12-01 17:58:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:58:40,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 186 states and 251 transitions. [2020-12-01 17:58:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 251 transitions. [2020-12-01 17:58:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:58:41,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 190 states and 260 transitions. [2020-12-01 17:58:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 260 transitions. [2020-12-01 17:58:44,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:58:44,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 192 states and 265 transitions. [2020-12-01 17:58:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 265 transitions. [2020-12-01 17:58:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:58:46,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 170 states and 228 transitions. [2020-12-01 17:58:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2020-12-01 17:58:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:58:47,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:58:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 171 states and 230 transitions. [2020-12-01 17:58:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 230 transitions. [2020-12-01 17:58:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:58:48,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:58:52,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:58:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 180 states and 248 transitions. [2020-12-01 17:58:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 248 transitions. [2020-12-01 17:58:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:58:52,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:58:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:58:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 195 states and 274 transitions. [2020-12-01 17:59:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 274 transitions. [2020-12-01 17:59:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:59:06,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:59:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 208 states and 298 transitions. [2020-12-01 17:59:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 298 transitions. [2020-12-01 17:59:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:59:17,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:59:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 211 states and 302 transitions. [2020-12-01 17:59:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 302 transitions. [2020-12-01 17:59:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:59:20,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:36,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 228 states and 336 transitions. [2020-12-01 17:59:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 336 transitions. [2020-12-01 17:59:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:59:36,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:42,207 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-12-01 17:59:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 245 states and 370 transitions. [2020-12-01 17:59:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 370 transitions. [2020-12-01 17:59:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:59:53,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 247 states and 373 transitions. [2020-12-01 17:59:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 373 transitions. [2020-12-01 17:59:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:59:56,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 249 states and 376 transitions. [2020-12-01 17:59:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 376 transitions. [2020-12-01 17:59:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:59:59,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:59:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 250 states and 376 transitions. [2020-12-01 17:59:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 376 transitions. [2020-12-01 17:59:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:59:59,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:59:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 251 states and 375 transitions. [2020-12-01 17:59:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 375 transitions. [2020-12-01 17:59:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:59:59,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:00:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:00:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:00:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 259 states and 389 transitions. [2020-12-01 18:00:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 389 transitions. [2020-12-01 18:00:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:00:09,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:00:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:00:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:00:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:00:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 258 states and 387 transitions. [2020-12-01 18:00:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 387 transitions. [2020-12-01 18:00:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:00:09,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:00:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:00:11,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:00:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:00:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 259 states and 389 transitions. [2020-12-01 18:00:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 389 transitions. [2020-12-01 18:00:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:00:14,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:00:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:00:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:00:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:00:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 261 states and 392 transitions. [2020-12-01 18:00:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 392 transitions. [2020-12-01 18:00:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:00:17,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:00:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:00:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:00:39,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:00:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 271 states and 412 transitions. [2020-12-01 18:00:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 412 transitions. [2020-12-01 18:00:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:00:39,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:00:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:00:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:00:50,156 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-12-01 18:01:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 281 states and 434 transitions. [2020-12-01 18:01:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 434 transitions. [2020-12-01 18:01:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:01:08,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 283 states and 437 transitions. [2020-12-01 18:01:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 437 transitions. [2020-12-01 18:01:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:01:12,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 285 states and 440 transitions. [2020-12-01 18:01:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 440 transitions. [2020-12-01 18:01:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:01:16,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:42,450 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2020-12-01 18:02:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:00,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 298 states and 470 transitions. [2020-12-01 18:02:00,905 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 470 transitions. [2020-12-01 18:02:00,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:02:00,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:14,692 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-12-01 18:02:25,074 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-12-01 18:02:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 308 states and 488 transitions. [2020-12-01 18:02:33,086 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 488 transitions. [2020-12-01 18:02:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:02:33,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 309 states and 489 transitions. [2020-12-01 18:02:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 489 transitions. [2020-12-01 18:02:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:02:34,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:02:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 308 states and 487 transitions. [2020-12-01 18:02:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 487 transitions. [2020-12-01 18:02:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:02:34,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:42,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:49,187 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-12-01 18:02:50,630 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-01 18:03:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 321 states and 511 transitions. [2020-12-01 18:03:21,940 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 511 transitions. [2020-12-01 18:03:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:03:21,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:03:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 324 states and 523 transitions. [2020-12-01 18:03:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 523 transitions. [2020-12-01 18:03:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:03:26,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:32,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 326 states and 526 transitions. [2020-12-01 18:03:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 526 transitions. [2020-12-01 18:03:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:03:32,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 18:03:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 326 states and 525 transitions. [2020-12-01 18:03:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 525 transitions. [2020-12-01 18:03:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:03:35,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 18:03:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:03:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 326 states and 524 transitions. [2020-12-01 18:03:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 524 transitions. [2020-12-01 18:03:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:03:37,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:03:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:03:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:03:58,186 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-12-01 18:03:59,909 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-12-01 18:04:07,452 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-01 18:04:09,338 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-12-01 18:04:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 338 states and 548 transitions. [2020-12-01 18:04:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 548 transitions. [2020-12-01 18:04:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:04:50,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:04:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 340 states and 550 transitions. [2020-12-01 18:04:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 550 transitions. [2020-12-01 18:04:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:04:58,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:58,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:05:11,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 344 states and 554 transitions. [2020-12-01 18:05:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 554 transitions. [2020-12-01 18:05:11,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:05:11,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:05:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:05:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:05:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 346 states and 557 transitions. [2020-12-01 18:05:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 557 transitions. [2020-12-01 18:05:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:05:20,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:05:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:05:20,273 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:05:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:05:20,297 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:05:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:05:20,788 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:05:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:05:21,136 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:05:22,366 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 68 iterations. [2020-12-01 18:05:22,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:05:22 ImpRootNode [2020-12-01 18:05:22,416 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:05:22,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:05:22,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:05:22,417 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:05:22,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:18" (3/4) ... [2020-12-01 18:05:22,421 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 18:05:22,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:05:22,422 INFO L168 Benchmark]: Toolchain (without parser) took 425861.51 ms. Allocated memory was 92.3 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 63.7 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 408.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:22,423 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 92.3 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:05:22,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.70 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 56.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:22,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.43 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 54.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:22,425 INFO L168 Benchmark]: Boogie Preprocessor took 70.61 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 52.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:22,426 INFO L168 Benchmark]: RCFGBuilder took 1403.47 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 52.6 MB in the beginning and 78.4 MB in the end (delta: -25.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:22,426 INFO L168 Benchmark]: CodeCheck took 423525.92 ms. Allocated memory was 115.3 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 78.4 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 399.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:22,427 INFO L168 Benchmark]: Witness Printer took 4.40 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:05:22,430 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, 132 locations, 65 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 423.4s, OverallIterations: 68, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331357728 SDtfs, 1547426280 SDslu, -2097285720 SDs, 0 SdLazy, -999988468 SolverSat, 866762924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12406 GetRequests, 11076 SyntacticMatches, 306 SemanticMatches, 1024 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488374 ImplicationChecksByTransitivity, 412.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 62.6s InterpolantComputationTime, 1421 NumberOfCodeBlocks, 1421 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 1318 ConstructedInterpolants, 0 QuantifiedInterpolants, 287303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 46 PerfectInterpolantSequences, 176/222 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) [L591] node->left = ((void *)0) [L592] node->right = nodelast [L593] COND FALSE !(\read(*nodelast)) [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND TRUE node != ((void *)0) [L600] node->left = malloc(sizeof *node) [L601] COND FALSE !(!node) [L603] EXPR node->left [L603] node->left->left = ((void *)0) [L604] EXPR node->left [L604] node->left->right = ((void *)0) [L605] EXPR node->left [L605] node->left->value = 42 [L606] EXPR node->left [L606] node->left->parent = node [L607] EXPR node->right [L607] node = node->right [L599] COND FALSE !(node != ((void *)0)) [L609] return nodelast; [L630] struct node *data = create_tree(); [L631] COND FALSE !(!data) [L575] COND FALSE !(!(node)) [L576] COND TRUE node != ((void *)0) [L577] node->left [L577] COND TRUE node->left [L578] EXPR node->left [L578] EXPR node->left->value [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value [L579] COND TRUE !(node->value) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "tree-2.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 92.3 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.70 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 56.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.43 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 54.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.61 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 52.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1403.47 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 52.6 MB in the beginning and 78.4 MB in the end (delta: -25.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * CodeCheck took 423525.92 ms. Allocated memory was 115.3 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 78.4 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 399.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.40 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 18:05:25,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:05:25,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:05:25,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:05:25,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:05:25,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:05:25,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:05:25,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:05:25,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:05:25,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:05:25,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:05:25,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:05:25,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:05:25,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:05:25,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:05:25,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:05:25,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:05:25,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:05:25,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:05:25,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:05:25,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:05:25,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:05:25,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:05:25,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:05:25,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:05:25,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:05:25,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:05:25,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:05:25,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:05:25,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:05:25,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:05:25,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:05:25,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:05:25,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:05:25,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:05:25,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:05:25,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:05:25,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:05:25,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:05:25,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:05:25,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:05:25,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-12-01 18:05:25,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:05:25,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:05:25,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:05:25,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:05:25,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:05:25,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:05:25,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:05:25,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:05:25,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:05:25,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:05:25,429 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 18:05:25,429 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 18:05:25,429 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 18:05:25,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:05:25,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 18:05:25,430 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 18:05:25,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 18:05:25,431 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:05:25,431 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:05:25,431 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:05:25,431 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:05:25,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:05:25,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:05:25,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:05:25,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:05:25,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:05:25,441 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 18:05:25,442 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 18:05:25,442 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 18:05:25,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 18:05:25,442 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_5e89ba6d-b26e-4a33-bca4-a8893a1de898/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8850e617230fbb23d096e299440f36502352977 [2020-12-01 18:05:25,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:05:25,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:05:25,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:05:25,995 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:05:25,996 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:05:25,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2020-12-01 18:05:26,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data/eb38163ce/ee74ad66206e43d6b762f2ad4cb361ce/FLAGd9b794f92 [2020-12-01 18:05:26,793 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:05:26,794 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/sv-benchmarks/c/heap-manipulation/tree-2.i [2020-12-01 18:05:26,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data/eb38163ce/ee74ad66206e43d6b762f2ad4cb361ce/FLAGd9b794f92 [2020-12-01 18:05:27,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/bin/ukojak/data/eb38163ce/ee74ad66206e43d6b762f2ad4cb361ce [2020-12-01 18:05:27,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:05:27,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:05:27,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:05:27,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:05:27,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:05:27,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6adea860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27, skipping insertion in model container [2020-12-01 18:05:27,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:05:27,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:05:27,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:05:27,555 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:05:27,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:05:27,720 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:05:27,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27 WrapperNode [2020-12-01 18:05:27,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:05:27,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:05:27,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:05:27,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:05:27,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:05:27,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:05:27,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:05:27,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:05:27,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... [2020-12-01 18:05:27,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:05:27,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:05:27,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:05:27,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:05:27,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e89ba6d-b26e-4a33-bca4-a8893a1de898/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 18:05:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 18:05:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:05:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 18:05:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:05:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 18:05:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:05:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 18:05:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 18:05:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:05:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:05:29,657 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:05:29,658 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-12-01 18:05:29,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:05:29 BoogieIcfgContainer [2020-12-01 18:05:29,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:05:29,662 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:05:29,662 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:05:29,673 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:05:29,673 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:05:29" (1/1) ... [2020-12-01 18:05:29,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:05:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 131 states and 153 transitions. [2020-12-01 18:05:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2020-12-01 18:05:29,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:05:29,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:05:29,765 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 18:05:29,771 INFO L168 Benchmark]: Toolchain (without parser) took 2689.99 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 50.6 MB in the beginning and 57.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:29,772 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 69.2 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:05:29,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.68 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 39.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:29,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.29 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 36.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:29,775 INFO L168 Benchmark]: Boogie Preprocessor took 58.48 ms. Allocated memory is still 69.2 MB. Free memory was 36.7 MB in the beginning and 34.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:29,777 INFO L168 Benchmark]: RCFGBuilder took 1820.52 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.3 MB in the beginning and 62.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:29,778 INFO L168 Benchmark]: CodeCheck took 106.30 ms. Allocated memory is still 83.9 MB. Free memory was 62.9 MB in the beginning and 57.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:29,783 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 0.35 ms. Allocated memory is still 69.2 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 640.68 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 39.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.29 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 36.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.48 ms. Allocated memory is still 69.2 MB. Free memory was 36.7 MB in the beginning and 34.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1820.52 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.3 MB in the beginning and 62.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * CodeCheck took 106.30 ms. Allocated memory is still 83.9 MB. Free memory was 62.9 MB in the beginning and 57.8 MB in the end (delta: 5.2 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...