./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-divine/tls_basic_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/tls_basic_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/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 1bdc9e8931a36304018c652b7261b0a4b56171e6 ....................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/tls_basic_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/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 1bdc9e8931a36304018c652b7261b0a4b56171e6 ............................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:57:41,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:57:41,040 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:57:41,047 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:57:41,047 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:57:41,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:57:41,048 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:57:41,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:57:41,050 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:57:41,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:57:41,051 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:57:41,051 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:57:41,052 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:57:41,053 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:57:41,053 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:57:41,054 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:57:41,055 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:57:41,056 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:57:41,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:57:41,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:57:41,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:57:41,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:57:41,063 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:57:41,064 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:57:41,064 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:57:41,064 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:57:41,065 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:57:41,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:57:41,066 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:57:41,067 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:57:41,067 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:57:41,067 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:57:41,067 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:57:41,068 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:57:41,068 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:57:41,069 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:57:41,069 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:57:41,079 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:57:41,079 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:57:41,079 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:57:41,080 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:57:41,080 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:57:41,080 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:57:41,080 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:57:41,080 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:57:41,080 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:57:41,080 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:57:41,080 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:57:41,081 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:57:41,081 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:57:41,081 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:57:41,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:57:41,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:57:41,081 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:57:41,082 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:57:41,082 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:57:41,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:57:41,082 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:57:41,082 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:57:41,082 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:57:41,082 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:57:41,082 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:57:41,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:57:41,083 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:57:41,083 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:57:41,083 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:57:41,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:57:41,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:57:41,083 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:57:41,083 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:57:41,083 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:57:41,083 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:57:41,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:57:41,084 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:57:41,084 INFO L133 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_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/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 -> 1bdc9e8931a36304018c652b7261b0a4b56171e6 [2018-11-18 17:57:41,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:57:41,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:57:41,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:57:41,119 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:57:41,119 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:57:41,120 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/../../sv-benchmarks/c/pthread-divine/tls_basic_true-unreach-call.i [2018-11-18 17:57:41,157 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data/1515e20bd/f86941885a9c4170b277136e6ab5f3ec/FLAG89de80bcf [2018-11-18 17:57:41,617 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:57:41,617 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/sv-benchmarks/c/pthread-divine/tls_basic_true-unreach-call.i [2018-11-18 17:57:41,632 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data/1515e20bd/f86941885a9c4170b277136e6ab5f3ec/FLAG89de80bcf [2018-11-18 17:57:42,135 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data/1515e20bd/f86941885a9c4170b277136e6ab5f3ec [2018-11-18 17:57:42,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:57:42,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:57:42,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:42,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:57:42,141 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:57:42,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cb5074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42, skipping insertion in model container [2018-11-18 17:57:42,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:57:42,177 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:57:42,281 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2018-11-18 17:57:42,387 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:42,395 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:57:42,462 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2018-11-18 17:57:42,487 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:42,531 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:57:42,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42 WrapperNode [2018-11-18 17:57:42,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:42,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:42,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:57:42,533 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:57:42,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:42,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:57:42,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:57:42,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:57:42,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... [2018-11-18 17:57:42,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:57:42,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:57:42,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:57:42,583 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:57:42,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/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 [2018-11-18 17:57:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:57:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:57:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2018-11-18 17:57:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2018-11-18 17:57:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:57:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:57:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-18 17:57:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:57:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:57:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-18 17:57:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:57:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-18 17:57:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:57:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:57:42,639 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 17:57:42,913 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:57:42,933 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#in~k.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,933 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#in~k.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,934 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~k.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,934 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~k.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,934 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~k.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,934 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~k.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,934 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,934 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,934 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,934 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,935 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,935 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,935 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,935 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,935 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,935 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,935 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,936 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,936 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,936 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,936 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,936 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,936 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,936 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,937 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,937 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,937 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,937 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,937 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,937 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,937 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,937 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,939 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,939 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,939 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,939 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:42,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:42 BasicIcfg [2018-11-18 17:57:42,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:57:42,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:57:42,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:57:42,948 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:57:42,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:57:42" (1/3) ... [2018-11-18 17:57:42,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e63be35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:42, skipping insertion in model container [2018-11-18 17:57:42,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:42" (2/3) ... [2018-11-18 17:57:42,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e63be35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:42, skipping insertion in model container [2018-11-18 17:57:42,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:42" (3/3) ... [2018-11-18 17:57:42,950 INFO L112 eAbstractionObserver]: Analyzing ICFG tls_basic_true-unreach-call.i_BEv2 [2018-11-18 17:57:42,956 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:57:42,962 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-18 17:57:42,972 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-18 17:57:42,992 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:57:42,993 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:57:42,993 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:57:42,993 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:57:42,993 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:57:42,993 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:57:42,993 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:57:42,993 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:57:43,001 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 17:57:43,004 INFO L168 Benchmark]: Toolchain (without parser) took 865.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -108.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:43,005 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:57:43,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:43,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.79 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. [2018-11-18 17:57:43,006 INFO L168 Benchmark]: Boogie Preprocessor took 22.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:43,007 INFO L168 Benchmark]: RCFGBuilder took 362.16 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:43,007 INFO L168 Benchmark]: TraceAbstraction took 57.76 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. [2018-11-18 17:57:43,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.79 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. * Boogie Preprocessor took 22.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 362.16 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 57.76 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 17:57:44,439 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:57:44,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:57:44,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:57:44,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:57:44,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:57:44,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:57:44,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:57:44,453 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:57:44,453 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:57:44,454 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:57:44,454 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:57:44,455 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:57:44,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:57:44,456 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:57:44,457 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:57:44,457 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:57:44,459 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:57:44,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:57:44,461 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:57:44,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:57:44,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:57:44,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:57:44,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:57:44,464 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:57:44,465 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:57:44,466 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:57:44,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:57:44,467 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:57:44,467 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:57:44,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:57:44,468 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:57:44,468 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:57:44,468 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:57:44,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:57:44,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:57:44,470 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:57:44,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:57:44,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:57:44,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:57:44,481 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:57:44,481 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:57:44,481 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:57:44,482 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:57:44,482 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:57:44,482 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:57:44,482 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:57:44,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:57:44,483 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:57:44,483 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:57:44,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:57:44,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:57:44,483 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:57:44,483 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:57:44,483 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:57:44,483 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:57:44,484 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:57:44,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:57:44,484 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:57:44,484 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:57:44,484 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:57:44,484 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:57:44,484 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:57:44,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:57:44,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:57:44,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:57:44,485 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:57:44,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:57:44,485 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:57:44,485 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:57:44,486 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:57:44,486 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:57:44,486 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/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 -> 1bdc9e8931a36304018c652b7261b0a4b56171e6 [2018-11-18 17:57:44,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:57:44,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:57:44,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:57:44,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:57:44,528 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:57:44,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/../../sv-benchmarks/c/pthread-divine/tls_basic_true-unreach-call.i [2018-11-18 17:57:44,569 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data/ff34aab01/d44fb4cfd8184565b77f50e8912681ac/FLAG2fb8d871e [2018-11-18 17:57:44,918 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:57:44,918 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/sv-benchmarks/c/pthread-divine/tls_basic_true-unreach-call.i [2018-11-18 17:57:44,926 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data/ff34aab01/d44fb4cfd8184565b77f50e8912681ac/FLAG2fb8d871e [2018-11-18 17:57:44,934 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/utaipan/data/ff34aab01/d44fb4cfd8184565b77f50e8912681ac [2018-11-18 17:57:44,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:57:44,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:57:44,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:44,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:57:44,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:57:44,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:44" (1/1) ... [2018-11-18 17:57:44,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a88f9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:44, skipping insertion in model container [2018-11-18 17:57:44,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:44" (1/1) ... [2018-11-18 17:57:44,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:57:44,979 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:57:45,103 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2018-11-18 17:57:45,229 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:45,239 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:57:45,256 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2018-11-18 17:57:45,281 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:45,328 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:57:45,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45 WrapperNode [2018-11-18 17:57:45,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:45,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:45,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:57:45,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:57:45,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:45,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:57:45,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:57:45,395 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:57:45,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... [2018-11-18 17:57:45,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:57:45,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:57:45,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:57:45,421 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:57:45,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abfed1c9-bebc-4d0b-8585-8243249cd453/bin-2019/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 [2018-11-18 17:57:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:57:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 17:57:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2018-11-18 17:57:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2018-11-18 17:57:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:57:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:57:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-18 17:57:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:57:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:57:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-18 17:57:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:57:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-18 17:57:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:57:45,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:57:45,469 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 17:57:45,735 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:57:45,757 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#in~k.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,757 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#in~k.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,757 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~k.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,757 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~k.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,758 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~k.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,758 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~k.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,758 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,758 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,758 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,758 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,759 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,759 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,760 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,760 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,760 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,760 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,760 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,760 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,761 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,761 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,761 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,761 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,762 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,762 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,762 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~key~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,762 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,763 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,763 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#t~ret8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,763 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,764 WARN L317 ript$VariableManager]: TermVariabe Thread0_worker_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_worker_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:45,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:45 BasicIcfg [2018-11-18 17:57:45,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:57:45,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:57:45,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:57:45,777 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:57:45,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:57:44" (1/3) ... [2018-11-18 17:57:45,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a90aa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:45, skipping insertion in model container [2018-11-18 17:57:45,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:45" (2/3) ... [2018-11-18 17:57:45,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a90aa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:45, skipping insertion in model container [2018-11-18 17:57:45,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:45" (3/3) ... [2018-11-18 17:57:45,780 INFO L112 eAbstractionObserver]: Analyzing ICFG tls_basic_true-unreach-call.i_BEv2 [2018-11-18 17:57:45,788 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:57:45,794 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-18 17:57:45,806 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-18 17:57:45,829 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:57:45,830 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:57:45,830 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:57:45,830 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:57:45,830 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:57:45,830 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:57:45,831 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:57:45,831 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:57:45,831 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:57:45,840 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 17:57:45,842 INFO L168 Benchmark]: Toolchain (without parser) took 906.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:45,844 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:57:45,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.41 ms. Allocated memory is still 1.0 GB. Free memory was 945.4 MB in the beginning and 913.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:45,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 913.2 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:45,845 INFO L168 Benchmark]: Boogie Preprocessor took 25.83 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. [2018-11-18 17:57:45,845 INFO L168 Benchmark]: RCFGBuilder took 353.24 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: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:45,846 INFO L168 Benchmark]: TraceAbstraction took 67.03 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:45,848 INFO L336 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.41 ms. Allocated memory is still 1.0 GB. Free memory was 945.4 MB in the beginning and 913.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 913.2 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.83 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 353.24 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: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67.03 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...