./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad29ac750d7eee43ee0f4c2b7f90b5e7c26b142d ....................................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-10-22 11:26:07,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:07,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:07,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:07,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:07,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:07,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:07,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:07,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:07,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:07,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:07,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:07,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:07,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:07,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:07,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:07,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:07,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:07,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:07,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:07,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:07,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:07,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:07,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:07,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:07,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:07,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:07,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:07,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:07,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:07,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:07,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:07,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:07,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:07,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:07,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:07,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:07,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:07,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:07,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:07,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:07,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:07,418 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:07,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:07,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:07,419 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:07,429 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:07,429 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:07,430 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:07,430 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:07,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:07,430 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:07,430 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:07,430 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:07,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:07,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:07,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:07,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:07,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:07,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:07,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:07,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:07,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:07,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:07,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:07,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:07,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:07,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:07,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:07,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:07,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:07,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:07,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:07,434 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:07,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:07,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:07,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:07,435 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan 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 -> Taipan 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 -> ad29ac750d7eee43ee0f4c2b7f90b5e7c26b142d [2019-10-22 11:26:07,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:07,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:07,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:07,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:07,485 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:07,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2019-10-22 11:26:07,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/data/8fe6263e7/c764c8a6a9294ef4b89a0b68f6c42ff3/FLAG2971b5a7b [2019-10-22 11:26:08,028 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:08,029 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2019-10-22 11:26:08,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/data/8fe6263e7/c764c8a6a9294ef4b89a0b68f6c42ff3/FLAG2971b5a7b [2019-10-22 11:26:08,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/data/8fe6263e7/c764c8a6a9294ef4b89a0b68f6c42ff3 [2019-10-22 11:26:08,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:08,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:08,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:08,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:08,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:08,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:08" (1/1) ... [2019-10-22 11:26:08,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7020d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:08, skipping insertion in model container [2019-10-22 11:26:08,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:08" (1/1) ... [2019-10-22 11:26:08,349 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:08,402 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:08,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:08,866 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:08,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:09,004 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:09,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09 WrapperNode [2019-10-22 11:26:09,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:09,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:09,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:09,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:09,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:09,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:09,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:09,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:09,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... [2019-10-22 11:26:09,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:09,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:09,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:09,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:09,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-10-22 11:26:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:26:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:26:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:26:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:26:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:09,849 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:09,849 INFO L284 CfgBuilder]: Removed 74 assume(true) statements. [2019-10-22 11:26:09,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:09 BoogieIcfgContainer [2019-10-22 11:26:09,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:09,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:09,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:09,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:09,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:08" (1/3) ... [2019-10-22 11:26:09,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50df9f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:09, skipping insertion in model container [2019-10-22 11:26:09,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:09" (2/3) ... [2019-10-22 11:26:09,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50df9f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:09, skipping insertion in model container [2019-10-22 11:26:09,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:09" (3/3) ... [2019-10-22 11:26:09,862 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2019-10-22 11:26:09,870 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:09,876 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-10-22 11:26:09,886 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-10-22 11:26:09,916 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:09,916 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:09,916 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:09,916 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:09,916 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:09,916 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:09,916 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:09,917 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2019-10-22 11:26:09,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:26:09,936 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:09,937 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:09,939 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:09,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:09,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1461126984, now seen corresponding path program 1 times [2019-10-22 11:26:09,949 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:09,949 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567443347] [2019-10-22 11:26:09,949 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:09,950 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:09,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:10,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567443347] [2019-10-22 11:26:10,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:10,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:10,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28697282] [2019-10-22 11:26:10,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:10,173 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:10,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:10,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:10,184 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 4 states. [2019-10-22 11:26:10,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:10,457 INFO L93 Difference]: Finished difference Result 219 states and 301 transitions. [2019-10-22 11:26:10,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:10,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 11:26:10,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:10,474 INFO L225 Difference]: With dead ends: 219 [2019-10-22 11:26:10,474 INFO L226 Difference]: Without dead ends: 132 [2019-10-22 11:26:10,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-22 11:26:10,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 93. [2019-10-22 11:26:10,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-22 11:26:10,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2019-10-22 11:26:10,527 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 10 [2019-10-22 11:26:10,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:10,527 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2019-10-22 11:26:10,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2019-10-22 11:26:10,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:26:10,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:10,528 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:10,528 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:10,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1462735698, now seen corresponding path program 1 times [2019-10-22 11:26:10,529 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:10,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975445457] [2019-10-22 11:26:10,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:10,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:10,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975445457] [2019-10-22 11:26:10,619 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:10,619 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:10,619 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81469613] [2019-10-22 11:26:10,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:10,621 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:10,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:10,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:10,621 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand 4 states. [2019-10-22 11:26:10,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:10,716 INFO L93 Difference]: Finished difference Result 130 states and 152 transitions. [2019-10-22 11:26:10,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:26:10,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 11:26:10,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:10,718 INFO L225 Difference]: With dead ends: 130 [2019-10-22 11:26:10,719 INFO L226 Difference]: Without dead ends: 126 [2019-10-22 11:26:10,719 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:10,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-22 11:26:10,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 93. [2019-10-22 11:26:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-22 11:26:10,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2019-10-22 11:26:10,735 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 10 [2019-10-22 11:26:10,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:10,736 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2019-10-22 11:26:10,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2019-10-22 11:26:10,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:26:10,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:10,737 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:10,738 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:10,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:10,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1319711700, now seen corresponding path program 1 times [2019-10-22 11:26:10,739 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:10,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116936985] [2019-10-22 11:26:10,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:10,954 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:26:10,954 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:26:11,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:11 BoogieIcfgContainer [2019-10-22 11:26:11,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:11,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:11,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:11,001 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:11,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:09" (3/4) ... [2019-10-22 11:26:11,003 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:26:11,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_074f4575-7b05-4ba2-af0a-0603850faccf/bin/utaipan/witness.graphml [2019-10-22 11:26:11,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:11,051 INFO L168 Benchmark]: Toolchain (without parser) took 2717.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.7 MB in the beginning and 975.8 MB in the end (delta: -36.1 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:11,051 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:11,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:11,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.03 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:11,052 INFO L168 Benchmark]: Boogie Preprocessor took 49.98 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. [2019-10-22 11:26:11,053 INFO L168 Benchmark]: RCFGBuilder took 724.68 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:11,053 INFO L168 Benchmark]: TraceAbstraction took 1149.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.1 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:11,053 INFO L168 Benchmark]: Witness Printer took 48.08 ms. Allocated memory is still 1.2 GB. Free memory was 981.1 MB in the beginning and 975.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:11,058 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.03 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.98 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 724.68 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1149.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.1 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. * Witness Printer took 48.08 ms. Allocated memory is still 1.2 GB. Free memory was 981.1 MB in the beginning and 975.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 656]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L652] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; VAL [mutexes={-3:0}] [L563] void *ptr = malloc(size); [L565] return ptr; VAL [mutexes={-3:0}] [L669] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L563] void *ptr = malloc(size); [L565] return ptr; VAL [mutexes={-3:0}] [L670] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={-3:0}] [L642] COND FALSE !(&m->list != (s)) VAL [mutexes={-3:0}] [L647] return 0; VAL [mutexes={-3:0}] [L656] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={-3:0}] [L642] COND FALSE !(&m->list != (s)) VAL [mutexes={-3:0}] [L647] return 0; VAL [mutexes={-3:0}] [L623] COND TRUE !ldv_is_in_set(new, s) [L624] struct ldv_list_element *le; [L563] void *ptr = malloc(size); [L565] return ptr; VAL [mutexes={-3:0}] [L625] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L626] le->e = new [L595] head->next [L583] next->prev = new [L584] new->next = next [L585] new->prev = prev [L586] prev->next = new VAL [mutexes={-3:0}] [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [mutexes={-3:0}] [L642] COND TRUE &m->list != (s) [L643] EXPR m->e VAL [mutexes={-3:0}] [L643] COND TRUE m->e == e [L644] return 1; VAL [mutexes={-3:0}] [L656] COND TRUE ldv_is_in_set(m, &mutexes) [L656] __VERIFIER_error() VAL [mutexes={-3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 5 error locations. Result: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 141 SDtfs, 173 SDslu, 247 SDs, 0 SdLazy, 99 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 72 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...