./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/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 bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 ................................................................................................................................................................................................................................................................ 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_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/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 bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:15:42,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:15:42,288 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:15:42,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:15:42,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:15:42,296 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:15:42,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:15:42,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:15:42,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:15:42,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:15:42,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:15:42,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:15:42,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:15:42,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:15:42,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:15:42,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:15:42,304 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:15:42,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:15:42,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:15:42,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:15:42,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:15:42,308 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:15:42,310 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:15:42,310 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:15:42,310 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:15:42,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:15:42,311 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:15:42,312 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:15:42,312 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:15:42,313 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:15:42,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:15:42,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:15:42,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:15:42,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:15:42,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:15:42,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:15:42,315 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:15:42,323 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:15:42,323 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:15:42,324 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:15:42,324 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:15:42,324 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:15:42,324 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:15:42,324 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:15:42,324 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:15:42,325 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:15:42,325 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:15:42,325 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:15:42,325 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:15:42,325 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:15:42,326 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:15:42,326 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:15:42,326 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:15:42,326 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:15:42,326 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:15:42,326 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:15:42,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:15:42,327 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:15:42,327 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:15:42,327 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:15:42,327 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:15:42,327 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:15:42,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:15:42,327 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:15:42,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:15:42,328 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:15:42,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:15:42,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:15:42,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:15:42,328 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:15:42,328 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:15:42,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:15:42,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:15:42,329 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:15:42,329 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_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/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 -> bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 [2018-11-23 07:15:42,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:15:42,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:15:42,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:15:42,366 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:15:42,366 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:15:42,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 07:15:42,414 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data/fad44b1e4/9b8550a80a684c54b940e5d8352e04e6/FLAG2e5915315 [2018-11-23 07:15:42,798 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:15:42,798 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 07:15:42,812 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data/fad44b1e4/9b8550a80a684c54b940e5d8352e04e6/FLAG2e5915315 [2018-11-23 07:15:43,180 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data/fad44b1e4/9b8550a80a684c54b940e5d8352e04e6 [2018-11-23 07:15:43,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:15:43,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:15:43,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:15:43,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:15:43,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:15:43,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92c2917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43, skipping insertion in model container [2018-11-23 07:15:43,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:15:43,234 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:15:43,447 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:15:43,456 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:15:43,547 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:15:43,581 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:15:43,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43 WrapperNode [2018-11-23 07:15:43,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:15:43,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:15:43,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:15:43,582 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:15:43,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:15:43,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:15:43,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:15:43,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:15:43,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... [2018-11-23 07:15:43,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:15:43,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:15:43,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:15:43,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:15:43,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/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 [2018-11-23 07:15:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:15:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:15:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 07:15:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 07:15:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:15:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:15:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:15:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:15:43,685 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 07:15:43,777 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-23 07:15:43,855 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-23 07:15:43,935 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:15:43,935 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-11-23 07:15:43,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:15:43 BoogieIcfgContainer [2018-11-23 07:15:43,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:15:43,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:15:43,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:15:43,938 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:15:43,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:15:43" (1/3) ... [2018-11-23 07:15:43,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e5a698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:15:43, skipping insertion in model container [2018-11-23 07:15:43,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:43" (2/3) ... [2018-11-23 07:15:43,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e5a698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:15:43, skipping insertion in model container [2018-11-23 07:15:43,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:15:43" (3/3) ... [2018-11-23 07:15:43,941 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 07:15:43,963 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,963 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,963 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,963 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,963 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,964 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,964 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,964 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,964 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,964 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,964 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,965 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,965 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,965 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,965 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,965 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,966 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,966 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,966 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,966 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,967 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,967 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,967 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,967 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,967 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,967 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,968 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:43,976 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 07:15:43,976 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:15:43,984 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-23 07:15:43,996 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-23 07:15:44,013 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:15:44,013 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:15:44,013 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:15:44,013 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:15:44,013 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:15:44,014 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:15:44,014 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:15:44,014 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:15:44,021 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64places, 70 transitions [2018-11-23 07:15:44,032 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) 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) [2018-11-23 07:15:44,035 INFO L168 Benchmark]: Toolchain (without parser) took 852.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:44,037 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:15:44,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:44,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.21 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. [2018-11-23 07:15:44,038 INFO L168 Benchmark]: Boogie Preprocessor took 22.16 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. [2018-11-23 07:15:44,039 INFO L168 Benchmark]: RCFGBuilder took 296.18 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:44,039 INFO L168 Benchmark]: TraceAbstraction took 98.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:44,042 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 398.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.21 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. * Boogie Preprocessor took 22.16 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 296.18 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 98.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 07:15:45,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:15:45,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:15:45,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:15:45,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:15:45,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:15:45,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:15:45,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:15:45,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:15:45,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:15:45,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:15:45,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:15:45,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:15:45,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:15:45,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:15:45,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:15:45,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:15:45,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:15:45,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:15:45,463 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:15:45,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:15:45,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:15:45,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:15:45,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:15:45,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:15:45,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:15:45,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:15:45,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:15:45,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:15:45,470 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:15:45,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:15:45,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:15:45,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:15:45,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:15:45,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:15:45,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:15:45,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 07:15:45,482 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:15:45,482 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:15:45,483 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:15:45,483 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:15:45,483 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:15:45,484 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:15:45,484 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:15:45,484 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:15:45,484 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:15:45,484 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:15:45,485 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:15:45,485 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:15:45,485 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:15:45,485 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:15:45,485 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:15:45,485 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:15:45,485 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:15:45,485 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 07:15:45,486 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 07:15:45,486 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:15:45,486 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:15:45,486 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:15:45,486 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:15:45,486 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:15:45,486 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:15:45,486 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:15:45,487 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:15:45,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:15:45,487 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:15:45,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:15:45,487 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:15:45,487 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 07:15:45,487 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:15:45,488 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 07:15:45,488 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 07:15:45,488 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_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/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 -> bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 [2018-11-23 07:15:45,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:15:45,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:15:45,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:15:45,531 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:15:45,531 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:15:45,531 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 07:15:45,578 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data/c73a72989/9cb2e894fa704e72828ee3d4325c0fc6/FLAGef5c93495 [2018-11-23 07:15:45,942 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:15:45,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 07:15:45,951 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data/c73a72989/9cb2e894fa704e72828ee3d4325c0fc6/FLAGef5c93495 [2018-11-23 07:15:46,340 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/bin-2019/utaipan/data/c73a72989/9cb2e894fa704e72828ee3d4325c0fc6 [2018-11-23 07:15:46,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:15:46,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:15:46,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:15:46,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:15:46,346 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:15:46,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b137df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46, skipping insertion in model container [2018-11-23 07:15:46,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:15:46,381 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:15:46,593 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:15:46,602 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:15:46,635 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:15:46,719 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:15:46,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46 WrapperNode [2018-11-23 07:15:46,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:15:46,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:15:46,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:15:46,720 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:15:46,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:15:46,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:15:46,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:15:46,751 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:15:46,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... [2018-11-23 07:15:46,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:15:46,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:15:46,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:15:46,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:15:46,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b928ee7-ee3f-4f49-a49f-0dd2ce7277f5/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 [2018-11-23 07:15:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:15:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 07:15:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 07:15:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 07:15:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:15:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 07:15:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:15:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:15:46,805 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 07:15:46,890 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-23 07:15:46,962 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-23 07:15:47,032 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:15:47,032 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-11-23 07:15:47,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:15:47 BoogieIcfgContainer [2018-11-23 07:15:47,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:15:47,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:15:47,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:15:47,035 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:15:47,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:15:46" (1/3) ... [2018-11-23 07:15:47,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c334b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:15:47, skipping insertion in model container [2018-11-23 07:15:47,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:15:46" (2/3) ... [2018-11-23 07:15:47,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c334b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:15:47, skipping insertion in model container [2018-11-23 07:15:47,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:15:47" (3/3) ... [2018-11-23 07:15:47,038 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 07:15:47,057 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,058 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,059 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,059 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,060 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,060 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,060 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,060 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,060 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,060 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,060 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,061 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 07:15:47,065 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 07:15:47,065 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:15:47,070 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-23 07:15:47,079 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-23 07:15:47,094 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:15:47,094 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:15:47,095 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:15:47,095 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:15:47,095 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:15:47,095 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:15:47,095 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:15:47,095 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:15:47,095 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:15:47,102 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63places, 69 transitions [2018-11-23 07:15:47,110 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) 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) [2018-11-23 07:15:47,112 INFO L168 Benchmark]: Toolchain (without parser) took 769.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:47,113 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-23 07:15:47,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:47,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.36 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:47,115 INFO L168 Benchmark]: Boogie Preprocessor took 18.64 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. [2018-11-23 07:15:47,115 INFO L168 Benchmark]: RCFGBuilder took 263.05 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: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:47,115 INFO L168 Benchmark]: TraceAbstraction took 78.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:15:47,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 376.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.36 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.64 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 263.05 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: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 78.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...