./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b24fe5aae04e52fa3254bedb47b3233a00d35d78 ............................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:24:07,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:24:07,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:24:07,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:24:07,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:24:07,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:24:07,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:24:07,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:24:07,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:24:07,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:24:07,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:24:07,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:24:07,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:24:07,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:24:07,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:24:07,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:24:07,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:24:07,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:24:07,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:24:07,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:24:07,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:24:07,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:24:07,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:24:07,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:24:07,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:24:07,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:24:07,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:24:07,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:24:07,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:24:07,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:24:07,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:24:07,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:24:07,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:24:07,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:24:07,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:24:07,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:24:07,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:24:07,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:24:07,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:24:07,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:24:07,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:24:07,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:24:07,491 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:24:07,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:24:07,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:24:07,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:24:07,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:24:07,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:24:07,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:24:07,503 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:24:07,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:24:07,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:24:07,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:24:07,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:24:07,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:24:07,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:24:07,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:24:07,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:24:07,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:24:07,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:24:07,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:24:07,506 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:24:07,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:24:07,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:24:07,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:24:07,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:24:07,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:24:07,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:24:07,507 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:24:07,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:24:07,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:24:07,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/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 ! call(__VERIFIER_error())) ) 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 -> b24fe5aae04e52fa3254bedb47b3233a00d35d78 [2019-11-26 02:24:07,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:24:07,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:24:07,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:24:07,698 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:24:07,698 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:24:07,699 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2019-11-26 02:24:07,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/data/e82e6b31d/6bca72d5e3a64a0cbb83aabc900c5bd7/FLAG74efe6c01 [2019-11-26 02:24:08,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:24:08,275 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2019-11-26 02:24:08,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/data/e82e6b31d/6bca72d5e3a64a0cbb83aabc900c5bd7/FLAG74efe6c01 [2019-11-26 02:24:08,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/data/e82e6b31d/6bca72d5e3a64a0cbb83aabc900c5bd7 [2019-11-26 02:24:08,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:24:08,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:24:08,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:24:08,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:24:08,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:24:08,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:24:08" (1/1) ... [2019-11-26 02:24:08,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a59780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:08, skipping insertion in model container [2019-11-26 02:24:08,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:24:08" (1/1) ... [2019-11-26 02:24:08,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:24:08,654 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:24:09,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:24:09,070 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:24:09,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:24:09,174 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:24:09,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09 WrapperNode [2019-11-26 02:24:09,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:24:09,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:24:09,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:24:09,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:24:09,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:24:09,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:24:09,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:24:09,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:24:09,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... [2019-11-26 02:24:09,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:24:09,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:24:09,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:24:09,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:24:09,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/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 [2019-11-26 02:24:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-26 02:24:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-26 02:24:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-26 02:24:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-26 02:24:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:24:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-26 02:24:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-26 02:24:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 02:24:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:24:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2019-11-26 02:24:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2019-11-26 02:24:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 02:24:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:24:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:24:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2019-11-26 02:24:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2019-11-26 02:24:09,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:24:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:24:10,031 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:24:10,031 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-26 02:24:10,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:24:10 BoogieIcfgContainer [2019-11-26 02:24:10,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:24:10,033 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:24:10,033 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:24:10,044 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:24:10,045 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:24:10" (1/1) ... [2019-11-26 02:24:10,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:24:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:10,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2019-11-26 02:24:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2019-11-26 02:24:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:24:10,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:24:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2019-11-26 02:24:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2019-11-26 02:24:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:24:10,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:24:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 80 transitions. [2019-11-26 02:24:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2019-11-26 02:24:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:24:11,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:24:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 87 transitions. [2019-11-26 02:24:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2019-11-26 02:24:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:24:12,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:24:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:12,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 76 transitions. [2019-11-26 02:24:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2019-11-26 02:24:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:24:12,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:24:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 77 transitions. [2019-11-26 02:24:12,692 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2019-11-26 02:24:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:24:12,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:24:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 90 transitions. [2019-11-26 02:24:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2019-11-26 02:24:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:24:13,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:24:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:24:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:24:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:24:13,954 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2019-11-26 02:24:14,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:24:14 ImpRootNode [2019-11-26 02:24:14,070 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:24:14,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:24:14,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:24:14,070 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:24:14,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:24:10" (3/4) ... [2019-11-26 02:24:14,073 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:24:14,172 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f4f4ad8-8aa0-467b-872f-c774a2393b7c/bin/ukojak/witness.graphml [2019-11-26 02:24:14,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:24:14,174 INFO L168 Benchmark]: Toolchain (without parser) took 5570.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 944.8 MB in the beginning and 966.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 185.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:14,175 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:24:14,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:14,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:14,176 INFO L168 Benchmark]: Boogie Preprocessor took 62.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:24:14,176 INFO L168 Benchmark]: RCFGBuilder took 742.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:14,177 INFO L168 Benchmark]: CodeCheck took 4037.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 976.7 MB in the end (delta: 78.7 MB). Peak memory consumption was 142.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:14,177 INFO L168 Benchmark]: Witness Printer took 102.25 ms. Allocated memory is still 1.2 GB. Free memory was 976.7 MB in the beginning and 966.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:14,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 49 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1668 SDtfs, 634 SDslu, 464 SDs, 0 SdLazy, 1922 SolverSat, 420 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1267 GetRequests, 1194 SyntacticMatches, 23 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 37238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 40/53 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 - CounterExampleResult [Line: 655]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L651] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L668] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [\old(size)=8, mutexes={6142:0}] [L562] void *ptr = malloc(size); [L564] return ptr; [L668] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={6142:0}] [L668] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L669] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [\old(size)=8, mutexes={6142:0}] [L562] void *ptr = malloc(size); [L564] return ptr; [L669] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={6142:0}] [L669] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L670] CALL mutex_lock(m1) VAL [mutexes={6142:0}] [L655] CALL ldv_is_in_set(m, &mutexes) VAL [e={-1:0}, mutexes={6142:0}, s={6142:0}] [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={6142:0}, e={-1:0}, e={-1:0}, m={6142:-4}, mutexes={6142:0}, s={6142:0}, s={6142:0}] [L641] COND FALSE !(&m->list != (s)) [L646] return 0; VAL [\result=0, __mptr={6142:0}, e={-1:0}, e={-1:0}, m={6142:-4}, mutexes={6142:0}, s={6142:0}, s={6142:0}] [L655] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={6142:0}] [L655] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L622] CALL, EXPR ldv_is_in_set(new, s) VAL [e={-1:0}, mutexes={6142:0}, s={6142:0}] [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={6142:0}, e={-1:0}, e={-1:0}, m={6142:-4}, mutexes={6142:0}, s={6142:0}, s={6142:0}] [L641] COND FALSE !(&m->list != (s)) [L646] return 0; VAL [\result=0, __mptr={6142:0}, e={-1:0}, e={-1:0}, m={6142:-4}, mutexes={6142:0}, s={6142:0}, s={6142:0}] [L622] RET, EXPR ldv_is_in_set(new, s) VAL [mutexes={6142:0}] [L622] COND TRUE !ldv_is_in_set(new, s) [L623] struct ldv_list_element *le; VAL [mutexes={6142:0}] [L624] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(size)=12, mutexes={6142:0}] [L562] void *ptr = malloc(size); [L564] return ptr; [L624] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [mutexes={6142:0}] [L624] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L625] le->e = new [L594] EXPR head->next VAL [mutexes={6142:0}] [L594] CALL __ldv_list_add(new, head, head->next) VAL [mutexes={6142:0}, new={213:4}, next={6142:0}, prev={6142:0}] [L582] next->prev = new [L583] new->next = next [L584] new->prev = prev [L585] prev->next = new [L594] RET __ldv_list_add(new, head, head->next) VAL [mutexes={6142:0}] [L670] RET mutex_lock(m1) VAL [mutexes={6142:0}] [L671] CALL mutex_lock(m1) VAL [mutexes={6142:0}] [L655] CALL ldv_is_in_set(m, &mutexes) VAL [e={-1:0}, mutexes={6142:0}, s={6142:0}] [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={213:4}, e={-1:0}, e={-1:0}, m={213:0}, mutexes={6142:0}, s={6142:0}, s={6142:0}] [L641] COND TRUE &m->list != (s) [L642] EXPR m->e VAL [__mptr={213:4}, e={-1:0}, e={-1:0}, m={213:0}, m->e={-1:0}, mutexes={6142:0}, s={6142:0}, s={6142:0}] [L642] COND TRUE m->e == e [L643] return 1; VAL [\result=1, __mptr={213:4}, e={-1:0}, e={-1:0}, m={213:0}, mutexes={6142:0}, s={6142:0}, s={6142:0}] [L655] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={6142:0}] [L655] COND TRUE ldv_is_in_set(m, &mutexes) [L655] __VERIFIER_error() VAL [mutexes={6142:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 571.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 742.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * CodeCheck took 4037.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 976.7 MB in the end (delta: 78.7 MB). Peak memory consumption was 142.7 MB. Max. memory is 11.5 GB. * Witness Printer took 102.25 ms. Allocated memory is still 1.2 GB. Free memory was 976.7 MB in the beginning and 966.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...