./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_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_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/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 5a406420701ce6274f0517b83ae1d565a6306d39 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/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 5a406420701ce6274f0517b83ae1d565a6306d39 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:20:51,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:20:51,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:20:51,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:20:51,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:20:51,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:20:51,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:20:51,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:20:51,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:20:51,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:20:51,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:20:51,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:20:51,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:20:51,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:20:51,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:20:51,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:20:51,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:20:51,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:20:51,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:20:51,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:20:51,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:20:51,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:20:51,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:20:51,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:20:51,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:20:51,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:20:51,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:20:51,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:20:51,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:20:51,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:20:51,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:20:51,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:20:51,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:20:51,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:20:51,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:20:51,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:20:51,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:20:51,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:20:51,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:20:51,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:20:51,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:20:51,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 16:20:51,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:20:51,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:20:51,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:20:51,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:20:51,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:20:51,465 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:20:51,465 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:20:51,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:20:51,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:20:51,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:20:51,466 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:20:51,466 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:20:51,467 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:20:51,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:20:51,467 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:20:51,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:20:51,468 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:20:51,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:20:51,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:20:51,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:20:51,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:20:51,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:20:51,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:20:51,469 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:20:51,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:20:51,470 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_484423b0-7ce2-4fb4-8fd7-a35238374726/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a406420701ce6274f0517b83ae1d565a6306d39 [2020-12-01 16:20:51,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:20:51,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:20:51,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:20:51,754 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:20:51,757 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:20:51,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2020-12-01 16:20:51,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data/f163d1744/14c2a911124942b0bbd255a5ecd1749d/FLAGdd4527157 [2020-12-01 16:20:52,407 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:20:52,408 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2020-12-01 16:20:52,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data/f163d1744/14c2a911124942b0bbd255a5ecd1749d/FLAGdd4527157 [2020-12-01 16:20:52,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data/f163d1744/14c2a911124942b0bbd255a5ecd1749d [2020-12-01 16:20:52,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:20:52,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:20:52,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:52,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:20:52,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:20:52,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:52" (1/1) ... [2020-12-01 16:20:52,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c384764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:52, skipping insertion in model container [2020-12-01 16:20:52,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:52" (1/1) ... [2020-12-01 16:20:52,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:20:52,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:20:53,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:53,279 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:20:53,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:53,490 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:20:53,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53 WrapperNode [2020-12-01 16:20:53,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:53,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:53,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:20:53,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:20:53,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:53,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:20:53,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:20:53,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:20:53,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... [2020-12-01 16:20:53,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:20:53,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:20:53,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:20:53,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:20:53,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:20:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:20:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:20:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:20:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:20:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:20:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:20:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:20:54,507 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:20:54,507 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-12-01 16:20:54,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:54 BoogieIcfgContainer [2020-12-01 16:20:54,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:20:54,513 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:20:54,513 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:20:54,524 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:20:54,525 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:54" (1/1) ... [2020-12-01 16:20:54,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:20:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2020-12-01 16:20:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2020-12-01 16:20:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:20:54,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2020-12-01 16:20:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-12-01 16:20:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:20:54,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2020-12-01 16:20:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2020-12-01 16:20:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:20:55,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 49 states and 51 transitions. [2020-12-01 16:20:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2020-12-01 16:20:55,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:20:55,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions. [2020-12-01 16:20:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2020-12-01 16:20:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:20:55,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:56,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions. [2020-12-01 16:20:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2020-12-01 16:20:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:20:56,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2020-12-01 16:20:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2020-12-01 16:20:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:20:57,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 52 states and 58 transitions. [2020-12-01 16:20:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2020-12-01 16:20:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:20:57,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2020-12-01 16:20:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2020-12-01 16:20:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:20:58,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:59,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2020-12-01 16:20:59,425 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2020-12-01 16:20:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:20:59,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2020-12-01 16:21:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2020-12-01 16:21:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:21:01,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2020-12-01 16:21:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2020-12-01 16:21:01,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:21:01,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2020-12-01 16:21:02,085 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2020-12-01 16:21:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:21:02,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:02,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:02,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:02,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2020-12-01 16:21:02,706 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2020-12-01 16:21:02,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:21:02,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:04,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2020-12-01 16:21:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2020-12-01 16:21:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:21:04,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 58 states and 74 transitions. [2020-12-01 16:21:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2020-12-01 16:21:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:21:04,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2020-12-01 16:21:05,372 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2020-12-01 16:21:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:21:05,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2020-12-01 16:21:06,637 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2020-12-01 16:21:06,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:21:06,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2020-12-01 16:21:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-12-01 16:21:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:21:09,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 56 states and 71 transitions. [2020-12-01 16:21:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2020-12-01 16:21:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:21:09,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-12-01 16:21:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-12-01 16:21:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:21:11,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:14,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 87 transitions. [2020-12-01 16:21:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2020-12-01 16:21:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:21:14,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2020-12-01 16:21:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-12-01 16:21:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:21:18,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-12-01 16:21:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-12-01 16:21:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:21:21,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2020-12-01 16:21:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2020-12-01 16:21:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:21:27,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 61 states and 76 transitions. [2020-12-01 16:21:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2020-12-01 16:21:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:21:29,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2020-12-01 16:21:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2020-12-01 16:21:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:21:29,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2020-12-01 16:21:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2020-12-01 16:21:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:21:30,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2020-12-01 16:21:31,114 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2020-12-01 16:21:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:21:31,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:37,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2020-12-01 16:21:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2020-12-01 16:21:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:21:37,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:38,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2020-12-01 16:21:38,546 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2020-12-01 16:21:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:21:38,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2020-12-01 16:21:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2020-12-01 16:21:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:21:40,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:40,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2020-12-01 16:21:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2020-12-01 16:21:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:21:40,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 55 states and 67 transitions. [2020-12-01 16:21:44,438 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2020-12-01 16:21:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:21:44,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 69 transitions. [2020-12-01 16:21:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2020-12-01 16:21:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:21:46,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:21:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-12-01 16:21:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-12-01 16:21:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:21:59,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:22:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2020-12-01 16:22:16,726 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2020-12-01 16:22:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:22:16,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:22:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 62 states and 83 transitions. [2020-12-01 16:22:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2020-12-01 16:22:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:22:18,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:22:30,680 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-01 16:22:31,843 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-12-01 16:22:39,604 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-12-01 16:22:47,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-12-01 16:22:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-12-01 16:22:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:22:47,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:22:57,610 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-12-01 16:23:17,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:23:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2020-12-01 16:23:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2020-12-01 16:23:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:23:17,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:23:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:23:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:23:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:23:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 78 states and 119 transitions. [2020-12-01 16:23:37,886 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2020-12-01 16:23:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:23:37,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:23:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:23:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:23:56,918 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-12-01 16:24:00,153 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-12-01 16:24:01,986 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-12-01 16:24:06,034 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-12-01 16:24:10,921 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-01 16:24:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 84 states and 147 transitions. [2020-12-01 16:24:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 147 transitions. [2020-12-01 16:24:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:24:22,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 148 transitions. [2020-12-01 16:24:43,246 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 148 transitions. [2020-12-01 16:24:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:24:43,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 87 states and 149 transitions. [2020-12-01 16:24:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 149 transitions. [2020-12-01 16:24:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:24:47,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:25:00,153 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-01 16:25:04,118 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-01 16:25:32,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 94 states and 173 transitions. [2020-12-01 16:25:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 173 transitions. [2020-12-01 16:25:32,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:25:32,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:59,449 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-12-01 16:26:01,897 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-01 16:26:06,027 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-12-01 16:26:08,487 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-12-01 16:26:12,699 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-12-01 16:26:15,069 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-01 16:26:18,529 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-01 16:26:19,684 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-01 16:26:22,396 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-01 16:26:26,322 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 16:26:27,348 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-12-01 16:26:28,502 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-01 16:26:32,324 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 16:26:33,112 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2020-12-01 16:26:35,743 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-01 16:26:40,097 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-12-01 16:26:42,732 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-12-01 16:26:47,265 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2020-12-01 16:26:50,077 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-12-01 16:26:53,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2020-12-01 16:26:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-12-01 16:26:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:26:53,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:26:53,791 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:26:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:26:53,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:26:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:26:54,054 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:26:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:26:54,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:26:55,448 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 46 iterations. [2020-12-01 16:26:55,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:26:55 ImpRootNode [2020-12-01 16:26:55,515 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:26:55,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:26:55,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:26:55,517 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:26:55,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:54" (3/4) ... [2020-12-01 16:26:55,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 16:26:55,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:26:55,521 INFO L168 Benchmark]: Toolchain (without parser) took 362826.30 ms. Allocated memory was 107.0 MB in the beginning and 903.9 MB in the end (delta: 796.9 MB). Free memory was 79.7 MB in the beginning and 779.2 MB in the end (delta: -699.4 MB). Peak memory consumption was 97.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:55,522 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 107.0 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 78.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:26:55,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.04 ms. Allocated memory is still 107.0 MB. Free memory was 79.4 MB in the beginning and 59.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:55,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.48 ms. Allocated memory is still 107.0 MB. Free memory was 59.7 MB in the beginning and 57.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:55,524 INFO L168 Benchmark]: Boogie Preprocessor took 31.88 ms. Allocated memory is still 107.0 MB. Free memory was 57.6 MB in the beginning and 55.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:55,525 INFO L168 Benchmark]: RCFGBuilder took 918.71 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 55.8 MB in the beginning and 74.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:55,526 INFO L168 Benchmark]: CodeCheck took 361002.52 ms. Allocated memory was 132.1 MB in the beginning and 903.9 MB in the end (delta: 771.8 MB). Free memory was 74.0 MB in the beginning and 780.2 MB in the end (delta: -706.2 MB). Peak memory consumption was 576.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:55,527 INFO L168 Benchmark]: Witness Printer took 4.49 ms. Allocated memory is still 903.9 MB. Free memory was 780.2 MB in the beginning and 779.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:55,535 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, 49 locations, 29 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 360.8s, OverallIterations: 46, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -492092144 SDslu, 237030668 SDs, 0 SdLazy, 1184660962 SolverSat, -1950432714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4269 GetRequests, 3347 SyntacticMatches, 128 SemanticMatches, 794 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306311 ImplicationChecksByTransitivity, 353.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 72.9s InterpolantComputationTime, 465 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 56574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 42 PerfectInterpolantSequences, 4/9 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: 780]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 780. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L763] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L764] COND TRUE \read(*p) [L559] head->next [L547] next->prev = new VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L548] new->next = next VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L549] new->prev = prev VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L550] prev->next = new [L769] struct A13 *p; [L770] struct A13 *n; VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L771] EXPR (&global_list_13)->next [L771] const typeof( ((typeof(*p) *)0)->list ) *__mptr = ((&global_list_13)->next); [L771] p = ({ const typeof( ((typeof(*p) *)0)->list ) *__mptr = ((&global_list_13)->next); (typeof(*p) *)( (char *)__mptr - ((size_t) &((typeof(*p) *)0)->list) );}) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L771] EXPR (p)->list.next [L771] const typeof( ((typeof(*(p)) *)0)->list ) *__mptr = ((p)->list.next); [L771] n = ({ const typeof( ((typeof(*(p)) *)0)->list ) *__mptr = ((p)->list.next); (typeof(*(p)) *)( (char *)__mptr - ((size_t) &((typeof(*(p)) *)0)->list) );}) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L771] COND TRUE &p->list != (&global_list_13) [L567] entry->prev VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L567] entry->next [L554] next->prev = prev VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L555] prev->next = next [L771] p = n VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L771] EXPR (n)->list.next [L771] const typeof( ((typeof(*(n)) *)0)->list ) *__mptr = ((n)->list.next); [L771] n = ({ const typeof( ((typeof(*(n)) *)0)->list ) *__mptr = ((n)->list.next); (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) );}) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L771] COND FALSE !(&p->list != (&global_list_13)) [L540] list->next = list VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L541] list->prev = list VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 107.0 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 78.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 793.04 ms. Allocated memory is still 107.0 MB. Free memory was 79.4 MB in the beginning and 59.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.48 ms. Allocated memory is still 107.0 MB. Free memory was 59.7 MB in the beginning and 57.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.88 ms. Allocated memory is still 107.0 MB. Free memory was 57.6 MB in the beginning and 55.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 918.71 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 55.8 MB in the beginning and 74.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 361002.52 ms. Allocated memory was 132.1 MB in the beginning and 903.9 MB in the end (delta: 771.8 MB). Free memory was 74.0 MB in the beginning and 780.2 MB in the end (delta: -706.2 MB). Peak memory consumption was 576.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.49 ms. Allocated memory is still 903.9 MB. Free memory was 780.2 MB in the beginning and 779.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:26:58,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:26:58,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:26:58,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:26:58,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:26:58,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:26:58,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:26:58,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:26:58,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:26:58,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:26:58,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:26:58,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:26:58,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:26:58,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:26:58,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:26:58,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:26:58,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:26:58,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:26:58,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:26:58,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:26:58,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:26:58,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:26:58,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:26:58,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:26:58,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:26:58,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:26:58,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:26:58,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:26:58,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:26:58,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:26:58,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:26:58,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:26:58,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:26:58,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:26:58,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:26:58,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:26:58,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:26:58,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:26:58,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:26:58,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:26:58,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:26:58,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-12-01 16:26:58,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:26:58,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:26:58,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:26:58,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:26:58,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:26:58,679 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:26:58,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:26:58,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:26:58,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:26:58,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:26:58,681 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:26:58,682 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:26:58,682 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:26:58,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:26:58,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:26:58,683 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:26:58,683 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:26:58,684 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:26:58,684 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:26:58,684 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:26:58,685 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:26:58,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:26:58,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:26:58,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:26:58,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:26:58,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:26:58,686 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:26:58,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:26:58,687 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:26:58,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:26:58,687 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_484423b0-7ce2-4fb4-8fd7-a35238374726/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a406420701ce6274f0517b83ae1d565a6306d39 [2020-12-01 16:26:59,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:26:59,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:26:59,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:26:59,304 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:26:59,305 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:26:59,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2020-12-01 16:26:59,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data/3176220e1/92cacced209b4757b5a1152d2fd1a374/FLAG7576bdd05 [2020-12-01 16:27:00,271 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:27:00,272 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2020-12-01 16:27:00,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data/3176220e1/92cacced209b4757b5a1152d2fd1a374/FLAG7576bdd05 [2020-12-01 16:27:00,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/data/3176220e1/92cacced209b4757b5a1152d2fd1a374 [2020-12-01 16:27:00,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:27:00,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:27:00,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:27:00,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:27:00,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:27:00,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:00" (1/1) ... [2020-12-01 16:27:00,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50bbb1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:00, skipping insertion in model container [2020-12-01 16:27:00,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:00" (1/1) ... [2020-12-01 16:27:00,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:27:00,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:27:01,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:01,187 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-01 16:27:01,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:27:01,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:01,349 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:27:01,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:01,567 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:27:01,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01 WrapperNode [2020-12-01 16:27:01,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:27:01,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:27:01,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:27:01,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:27:01,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:27:01,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:27:01,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:27:01,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:27:01,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... [2020-12-01 16:27:01,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:27:01,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:27:01,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:27:01,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:27:01,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_484423b0-7ce2-4fb4-8fd7-a35238374726/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:27:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:27:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:27:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:27:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:27:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:27:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:27:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:27:02,910 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:27:02,910 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-12-01 16:27:02,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:02 BoogieIcfgContainer [2020-12-01 16:27:02,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:27:02,914 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:27:02,914 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:27:02,926 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:27:02,927 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:02" (1/1) ... [2020-12-01 16:27:02,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:27:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2020-12-01 16:27:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2020-12-01 16:27:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:27:02,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:03,053 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 16:27:03,063 INFO L168 Benchmark]: Toolchain (without parser) took 2589.68 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 48.8 MB in the beginning and 62.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:03,065 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 67.1 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:03,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1096.61 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 42.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:03,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.55 ms. Allocated memory is still 67.1 MB. Free memory was 42.1 MB in the beginning and 39.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:03,068 INFO L168 Benchmark]: Boogie Preprocessor took 86.20 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 37.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:03,071 INFO L168 Benchmark]: RCFGBuilder took 1169.84 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 37.8 MB in the beginning and 67.9 MB in the end (delta: -30.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:03,073 INFO L168 Benchmark]: CodeCheck took 145.36 ms. Allocated memory is still 90.2 MB. Free memory was 67.9 MB in the beginning and 62.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:03,084 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 0.38 ms. Allocated memory is still 67.1 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1096.61 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 42.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.55 ms. Allocated memory is still 67.1 MB. Free memory was 42.1 MB in the beginning and 39.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.20 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 37.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1169.84 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 37.8 MB in the beginning and 67.9 MB in the end (delta: -30.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * CodeCheck took 145.36 ms. Allocated memory is still 90.2 MB. Free memory was 67.9 MB in the beginning and 62.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...