./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-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_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/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 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/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 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ................................................................................................................................................................................................................. 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 18:22:04,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:22:04,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:22:04,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:22:04,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:22:04,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:22:04,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:22:04,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:22:04,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:22:04,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:22:04,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:22:04,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:22:04,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:22:04,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:22:04,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:22:04,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:22:04,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:22:04,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:22:04,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:22:04,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:22:04,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:22:04,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:22:04,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:22:04,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:22:04,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:22:04,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:22:04,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:22:04,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:22:04,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:22:04,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:22:04,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:22:04,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:22:04,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:22:04,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:22:04,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:22:04,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:22:04,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:22:04,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:22:04,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:22:04,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:22:04,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:22:04,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 18:22:04,451 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:22:04,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:22:04,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:22:04,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:22:04,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:22:04,457 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:22:04,458 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:22:04,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:22:04,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:22:04,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:22:04,460 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 18:22:04,460 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 18:22:04,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 18:22:04,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:22:04,461 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:22:04,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:22:04,462 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:22:04,462 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:22:04,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:22:04,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:22:04,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:22:04,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:22:04,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:22:04,464 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:22:04,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:22:04,465 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_1fd045f6-db6e-46e1-ad22-7bc4242f423c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2020-12-01 18:22:04,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:22:04,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:22:04,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:22:04,910 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:22:04,911 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:22:04,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2020-12-01 18:22:05,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data/704f33937/7a86da8710dc4fec964264a1f4cc61d7/FLAGd9a46d4e3 [2020-12-01 18:22:05,833 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:22:05,834 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2020-12-01 18:22:05,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data/704f33937/7a86da8710dc4fec964264a1f4cc61d7/FLAGd9a46d4e3 [2020-12-01 18:22:05,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data/704f33937/7a86da8710dc4fec964264a1f4cc61d7 [2020-12-01 18:22:06,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:22:06,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:22:06,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:22:06,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:22:06,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:22:06,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:05" (1/1) ... [2020-12-01 18:22:06,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b16a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06, skipping insertion in model container [2020-12-01 18:22:06,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:05" (1/1) ... [2020-12-01 18:22:06,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:22:06,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:22:06,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:22:06,514 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:22:06,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:22:06,725 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:22:06,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06 WrapperNode [2020-12-01 18:22:06,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:22:06,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:22:06,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:22:06,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:22:06,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:22:06,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:22:06,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:22:06,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:22:06,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... [2020-12-01 18:22:06,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:22:06,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:22:06,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:22:06,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:22:06,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/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 18:22:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:22:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 18:22:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 18:22:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:22:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:22:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:22:08,224 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:22:08,224 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 18:22:08,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:08 BoogieIcfgContainer [2020-12-01 18:22:08,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:22:08,230 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:22:08,230 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:22:08,248 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:22:08,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:08" (1/1) ... [2020-12-01 18:22:08,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:22:08,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2020-12-01 18:22:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2020-12-01 18:22:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:22:08,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:08,603 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 18:22:08,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2020-12-01 18:22:08,675 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2020-12-01 18:22:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:22:08,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:08,743 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 18:22:08,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2020-12-01 18:22:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2020-12-01 18:22:08,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:22:08,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:09,024 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 18:22:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2020-12-01 18:22:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2020-12-01 18:22:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:22:09,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:09,146 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 18:22:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 119 states and 126 transitions. [2020-12-01 18:22:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2020-12-01 18:22:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:22:09,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:09,238 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 18:22:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 120 states and 128 transitions. [2020-12-01 18:22:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2020-12-01 18:22:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:22:09,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:09,551 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 18:22:09,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:09,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 119 states and 127 transitions. [2020-12-01 18:22:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2020-12-01 18:22:09,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:22:09,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:09,784 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 18:22:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 118 states and 126 transitions. [2020-12-01 18:22:10,034 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 126 transitions. [2020-12-01 18:22:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:22:10,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:10,230 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 18:22:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 122 states and 134 transitions. [2020-12-01 18:22:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 134 transitions. [2020-12-01 18:22:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:22:10,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:11,090 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 18:22:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:11,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 126 states and 145 transitions. [2020-12-01 18:22:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2020-12-01 18:22:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:22:11,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 130 states and 151 transitions. [2020-12-01 18:22:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-12-01 18:22:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:12,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:12,798 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 18:22:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:13,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 131 states and 155 transitions. [2020-12-01 18:22:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2020-12-01 18:22:13,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:13,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:13,572 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 18:22:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 132 states and 158 transitions. [2020-12-01 18:22:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2020-12-01 18:22:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:14,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:22:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 142 states and 185 transitions. [2020-12-01 18:22:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 185 transitions. [2020-12-01 18:22:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:16,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 152 states and 214 transitions. [2020-12-01 18:22:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2020-12-01 18:22:20,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:20,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:22:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:21,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 155 states and 217 transitions. [2020-12-01 18:22:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 217 transitions. [2020-12-01 18:22:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:21,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:22:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 158 states and 219 transitions. [2020-12-01 18:22:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2020-12-01 18:22:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:22:22,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:22:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 157 states and 218 transitions. [2020-12-01 18:22:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 218 transitions. [2020-12-01 18:22:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:22:23,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:22:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 158 states and 219 transitions. [2020-12-01 18:22:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2020-12-01 18:22:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:22:24,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:22:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:24,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 157 states and 218 transitions. [2020-12-01 18:22:24,167 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 218 transitions. [2020-12-01 18:22:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:22:24,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:22:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 158 states and 220 transitions. [2020-12-01 18:22:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 220 transitions. [2020-12-01 18:22:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:22:25,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:22:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 160 states and 223 transitions. [2020-12-01 18:22:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 223 transitions. [2020-12-01 18:22:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:22:26,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 171 states and 245 transitions. [2020-12-01 18:22:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 245 transitions. [2020-12-01 18:22:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:22:34,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:22:46,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 187 states and 279 transitions. [2020-12-01 18:22:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-12-01 18:22:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:22:46,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:22:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 195 states and 294 transitions. [2020-12-01 18:22:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 294 transitions. [2020-12-01 18:22:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:22:57,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:23:06,873 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-01 18:23:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 208 states and 324 transitions. [2020-12-01 18:23:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 324 transitions. [2020-12-01 18:23:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:23:20,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:23:31,986 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-01 18:23:34,143 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-12-01 18:23:37,077 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-12-01 18:23:39,296 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-12-01 18:23:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 225 states and 363 transitions. [2020-12-01 18:23:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 363 transitions. [2020-12-01 18:23:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:23:55,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:24:00,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:00,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 228 states and 370 transitions. [2020-12-01 18:24:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 370 transitions. [2020-12-01 18:24:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:24:00,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:24:04,791 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-01 18:24:07,101 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 18:24:07,749 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-12-01 18:24:10,491 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 18:24:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 105 states and 112 transitions. [2020-12-01 18:24:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2020-12-01 18:24:10,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:24:10,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:24:19,130 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-01 18:24:20,546 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-12-01 18:24:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 104 states and 111 transitions. [2020-12-01 18:24:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2020-12-01 18:24:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:24:54,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:25:00,284 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-12-01 18:25:05,167 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-01 18:25:10,933 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2020-12-01 18:25:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:30,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 103 states and 110 transitions. [2020-12-01 18:25:30,631 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 110 transitions. [2020-12-01 18:25:30,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:25:30,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:25:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2020-12-01 18:25:40,066 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2020-12-01 18:25:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:25:40,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:25:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 101 states and 108 transitions. [2020-12-01 18:25:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-12-01 18:25:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:25:52,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 100 states and 107 transitions. [2020-12-01 18:26:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2020-12-01 18:26:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:26:07,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 99 states and 106 transitions. [2020-12-01 18:26:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2020-12-01 18:26:20,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:26:20,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 98 states and 105 transitions. [2020-12-01 18:26:30,545 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2020-12-01 18:26:30,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:26:30,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 97 states and 104 transitions. [2020-12-01 18:26:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2020-12-01 18:26:30,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:26:30,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 96 states and 103 transitions. [2020-12-01 18:26:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2020-12-01 18:26:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:26:47,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:26:54,248 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-01 18:27:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 95 states and 102 transitions. [2020-12-01 18:27:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2020-12-01 18:27:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:27:00,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:27:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 94 states and 101 transitions. [2020-12-01 18:27:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2020-12-01 18:27:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:27:21,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:27:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 93 states and 100 transitions. [2020-12-01 18:27:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2020-12-01 18:27:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:27:37,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:27:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 92 states and 99 transitions. [2020-12-01 18:27:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2020-12-01 18:27:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:27:49,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:27:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:49,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 91 states and 98 transitions. [2020-12-01 18:27:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2020-12-01 18:27:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:27:49,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:05,612 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 18:28:07,522 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2020-12-01 18:28:09,242 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 18:28:11,522 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 18:28:12,324 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-12-01 18:28:14,280 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 18:28:18,831 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-12-01 18:28:23,053 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-01 18:28:24,744 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-01 18:28:28,361 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-12-01 18:28:30,591 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-12-01 18:28:34,298 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-01 18:28:35,072 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2020-12-01 18:28:39,208 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2020-12-01 18:28:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 90 states and 97 transitions. [2020-12-01 18:28:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2020-12-01 18:28:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:28:55,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:29:01,444 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-01 18:29:03,546 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-01 18:29:07,281 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-01 18:29:08,061 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-12-01 18:29:13,687 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-01 18:29:17,444 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-01 18:29:19,770 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-01 18:29:24,006 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-12-01 18:29:24,900 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-12-01 18:29:29,065 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-01 18:29:31,425 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-12-01 18:29:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:47,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2020-12-01 18:29:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2020-12-01 18:29:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:29:47,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:52,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:30:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:30:17,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2020-12-01 18:30:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2020-12-01 18:30:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:30:17,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:30:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:30:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:30:33,410 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2020-12-01 18:30:44,388 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2020-12-01 18:30:48,113 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-01 18:30:50,881 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-12-01 18:30:52,732 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 18:30:54,577 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 18:30:55,469 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 18:30:57,951 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-01 18:30:59,919 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 18:31:03,335 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-12-01 18:31:05,098 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 18:31:10,487 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-01 18:31:15,315 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-01 18:31:18,187 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-01 18:31:23,139 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-01 18:31:26,037 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2020-12-01 18:31:33,879 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-12-01 18:31:38,554 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-01 18:32:02,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:32:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2020-12-01 18:32:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2020-12-01 18:32:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:32:02,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:32:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:32:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:32:18,030 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-01 18:32:21,893 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2020-12-01 18:32:27,620 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2020-12-01 18:32:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:32:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2020-12-01 18:32:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2020-12-01 18:32:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:32:39,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:32:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:32:39,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:32:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:32:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2020-12-01 18:32:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2020-12-01 18:32:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:32:40,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:32:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:32:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:32:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:32:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2020-12-01 18:32:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2020-12-01 18:32:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:32:54,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:32:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:32:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:33:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:33:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2020-12-01 18:33:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2020-12-01 18:33:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:33:09,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:33:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:33:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:33:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:33:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2020-12-01 18:33:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2020-12-01 18:33:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:33:10,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:33:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:33:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:33:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:33:10,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2020-12-01 18:33:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2020-12-01 18:33:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:33:10,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:33:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:33:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:33:45,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:33:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 80 states and 87 transitions. [2020-12-01 18:33:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2020-12-01 18:33:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:33:45,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:33:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:33:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:33:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:33:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2020-12-01 18:33:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2020-12-01 18:33:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:33:59,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:33:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:33:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:34:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:34:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2020-12-01 18:34:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2020-12-01 18:34:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:34:13,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:34:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:34:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:34:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:34:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2020-12-01 18:34:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2020-12-01 18:34:27,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:34:27,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:34:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:34:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:34:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:34:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2020-12-01 18:34:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2020-12-01 18:34:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:34:28,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:34:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:34:28,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:34:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:34:28,246 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:34:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:34:28,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:34:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:34:28,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:34:29,551 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 58 iterations. [2020-12-01 18:34:29,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:34:29 ImpRootNode [2020-12-01 18:34:29,620 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:34:29,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:34:29,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:34:29,621 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:34:29,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:08" (3/4) ... [2020-12-01 18:34:29,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 18:34:29,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:34:29,638 INFO L168 Benchmark]: Toolchain (without parser) took 743621.30 ms. Allocated memory was 104.9 MB in the beginning and 685.8 MB in the end (delta: 580.9 MB). Free memory was 78.9 MB in the beginning and 275.3 MB in the end (delta: -196.4 MB). Peak memory consumption was 384.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:29,639 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 75.5 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:34:29,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.20 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 58.0 MB in the end (delta: 20.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:29,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.74 ms. Allocated memory is still 104.9 MB. Free memory was 58.0 MB in the beginning and 55.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:29,642 INFO L168 Benchmark]: Boogie Preprocessor took 102.67 ms. Allocated memory is still 104.9 MB. Free memory was 55.8 MB in the beginning and 54.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:34:29,642 INFO L168 Benchmark]: RCFGBuilder took 1300.88 ms. Allocated memory is still 104.9 MB. Free memory was 53.9 MB in the beginning and 60.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:29,647 INFO L168 Benchmark]: CodeCheck took 741390.38 ms. Allocated memory was 104.9 MB in the beginning and 685.8 MB in the end (delta: 580.9 MB). Free memory was 60.0 MB in the beginning and 276.4 MB in the end (delta: -216.4 MB). Peak memory consumption was 367.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:29,648 INFO L168 Benchmark]: Witness Printer took 6.23 ms. Allocated memory is still 685.8 MB. Free memory was 276.4 MB in the beginning and 275.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:34:29,655 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, 123 locations, 59 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 741.2s, OverallIterations: 58, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 872415232 SDtfs, -377655026 SDslu, -148008742 SDs, 0 SdLazy, -1919711720 SolverSat, 528768056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 105.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9972 GetRequests, 8564 SyntacticMatches, 362 SemanticMatches, 1046 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555840 ImplicationChecksByTransitivity, 728.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 65.6s InterpolantComputationTime, 1131 NumberOfCodeBlocks, 1131 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 1046 ConstructedInterpolants, 0 QuantifiedInterpolants, 144470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 36 PerfectInterpolantSequences, 190/301 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: 616]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 616. Possible FailurePath: [L617] const int len = 3; [L564] DLL last = (DLL) malloc(sizeof(struct node)); [L565] COND FALSE !(((void *)0) == last) [L568] last->next = last [L569] last->prev = last [L570] DLL head = last; [L571] COND TRUE len > 1 [L572] DLL new_head = (DLL) malloc(sizeof(struct node)); [L573] COND FALSE !(((void *)0) == new_head) [L576] new_head->next = head [L577] head->prev = new_head [L578] head = new_head [L579] len-- [L571] COND TRUE len > 1 [L572] DLL new_head = (DLL) malloc(sizeof(struct node)); [L573] COND FALSE !(((void *)0) == new_head) [L576] new_head->next = head [L577] head->prev = new_head [L578] head = new_head [L579] len-- [L571] COND FALSE !(len > 1) [L581] last->next = head [L582] head->prev = last [L583] return head; [L618] DLL head = dll_circular_create(len); [L586] EXPR head->prev [L586] DLL pred = head->prev; [L587] EXPR head->next [L587] DLL succ = head->next; [L588] COND FALSE !(__VERIFIER_nondet_int()) [L597] COND FALSE !(__VERIFIER_nondet_int()) [L607] free(pred) [L607] free(pred) [L607] free(pred) [L608] COND FALSE !(__VERIFIER_nondet_int()) [L612] free(head) [L612] free(head) [L612] free(head) [L620] head = ((void *)0) [L621] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 75.5 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 717.20 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 58.0 MB in the end (delta: 20.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.74 ms. Allocated memory is still 104.9 MB. Free memory was 58.0 MB in the beginning and 55.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.67 ms. Allocated memory is still 104.9 MB. Free memory was 55.8 MB in the beginning and 54.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1300.88 ms. Allocated memory is still 104.9 MB. Free memory was 53.9 MB in the beginning and 60.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * CodeCheck took 741390.38 ms. Allocated memory was 104.9 MB in the beginning and 685.8 MB in the end (delta: 580.9 MB). Free memory was 60.0 MB in the beginning and 276.4 MB in the end (delta: -216.4 MB). Peak memory consumption was 367.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.23 ms. Allocated memory is still 685.8 MB. Free memory was 276.4 MB in the beginning and 275.3 MB 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 18:34:32,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:34:33,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:34:33,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:34:33,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:34:33,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:34:33,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:34:33,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:34:33,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:34:33,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:34:33,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:34:33,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:34:33,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:34:33,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:34:33,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:34:33,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:34:33,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:34:33,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:34:33,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:34:33,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:34:33,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:34:33,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:34:33,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:34:33,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:34:33,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:34:33,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:34:33,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:34:33,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:34:33,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:34:33,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:34:33,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:34:33,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:34:33,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:34:33,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:34:33,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:34:33,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:34:33,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:34:33,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:34:33,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:34:33,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:34:33,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:34:33,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-12-01 18:34:33,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:34:33,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:34:33,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:34:33,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:34:33,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:34:33,291 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:34:33,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:34:33,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:34:33,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:34:33,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:34:33,295 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 18:34:33,295 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 18:34:33,295 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 18:34:33,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:34:33,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 18:34:33,297 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 18:34:33,297 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 18:34:33,298 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:34:33,298 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:34:33,298 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:34:33,299 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:34:33,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:34:33,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:34:33,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:34:33,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:34:33,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:34:33,301 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 18:34:33,302 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 18:34:33,302 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 18:34:33,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 18:34:33,303 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_1fd045f6-db6e-46e1-ad22-7bc4242f423c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2020-12-01 18:34:33,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:34:33,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:34:33,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:34:33,911 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:34:33,912 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:34:33,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2020-12-01 18:34:34,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data/af3923e0d/88d683934cd94b91ba439695fb3d3250/FLAG6c03b4eb1 [2020-12-01 18:34:34,880 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:34:34,881 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2020-12-01 18:34:34,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data/af3923e0d/88d683934cd94b91ba439695fb3d3250/FLAG6c03b4eb1 [2020-12-01 18:34:35,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/bin/ukojak/data/af3923e0d/88d683934cd94b91ba439695fb3d3250 [2020-12-01 18:34:35,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:34:35,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:34:35,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:34:35,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:34:35,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:34:35,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:35,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6df80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35, skipping insertion in model container [2020-12-01 18:34:35,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:35,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:34:35,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:34:35,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:34:35,712 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:34:35,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:34:35,951 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:34:35,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35 WrapperNode [2020-12-01 18:34:35,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:34:35,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:34:35,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:34:35,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:34:35,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:34:36,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:34:36,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:34:36,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:34:36,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... [2020-12-01 18:34:36,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:34:36,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:34:36,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:34:36,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:34:36,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fd045f6-db6e-46e1-ad22-7bc4242f423c/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 18:34:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:34:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 18:34:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 18:34:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:34:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:34:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:34:37,270 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:34:37,270 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 18:34:37,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:34:37 BoogieIcfgContainer [2020-12-01 18:34:37,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:34:37,276 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:34:37,276 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:34:37,289 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:34:37,290 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:34:37" (1/1) ... [2020-12-01 18:34:37,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:34:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:34:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2020-12-01 18:34:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2020-12-01 18:34:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:34:37,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:34:37,432 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 18:34:37,442 INFO L168 Benchmark]: Toolchain (without parser) took 2325.52 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 40.8 MB in the beginning and 53.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:37,444 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 60.8 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:34:37,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.54 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 40.6 MB in the beginning and 57.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:37,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.52 ms. Allocated memory is still 83.9 MB. Free memory was 57.0 MB in the beginning and 54.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:37,450 INFO L168 Benchmark]: Boogie Preprocessor took 91.03 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 53.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:37,451 INFO L168 Benchmark]: RCFGBuilder took 1103.00 ms. Allocated memory is still 83.9 MB. Free memory was 52.8 MB in the beginning and 58.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:37,452 INFO L168 Benchmark]: CodeCheck took 163.07 ms. Allocated memory is still 83.9 MB. Free memory was 58.9 MB in the beginning and 53.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:34:37,466 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 0.36 ms. Allocated memory is still 60.8 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 833.54 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 40.6 MB in the beginning and 57.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.52 ms. Allocated memory is still 83.9 MB. Free memory was 57.0 MB in the beginning and 54.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.03 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 53.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1103.00 ms. Allocated memory is still 83.9 MB. Free memory was 52.8 MB in the beginning and 58.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * CodeCheck took 163.07 ms. Allocated memory is still 83.9 MB. Free memory was 58.9 MB in the beginning and 53.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...