./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/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 e4844c64ae7d01bd77f480febddce6547020bcda ........................................................................................................................................................................................................................................................... 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_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/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 e4844c64ae7d01bd77f480febddce6547020bcda ............................................................................................................................................................................................................................................................ 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 0.1.23-635dfa2 [2018-12-09 00:34:27,335 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:34:27,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:34:27,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:34:27,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:34:27,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:34:27,344 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:34:27,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:34:27,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:34:27,347 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:34:27,348 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:34:27,348 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:34:27,349 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:34:27,349 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:34:27,350 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:34:27,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:34:27,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:34:27,353 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:34:27,354 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:34:27,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:34:27,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:34:27,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:34:27,358 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:34:27,358 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:34:27,359 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:34:27,359 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:34:27,360 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:34:27,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:34:27,361 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:34:27,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:34:27,362 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:34:27,362 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:34:27,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:34:27,363 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:34:27,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:34:27,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:34:27,364 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:34:27,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:34:27,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:34:27,374 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:34:27,374 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:34:27,374 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:34:27,374 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:34:27,374 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:34:27,374 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:34:27,374 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:34:27,374 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:34:27,374 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:34:27,374 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:34:27,375 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:34:27,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:34:27,375 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:34:27,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:34:27,375 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:34:27,375 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:34:27,375 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:34:27,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:34:27,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:34:27,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:34:27,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:34:27,376 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:34:27,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:34:27,377 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:34:27,377 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_14e0aca5-9508-4e9a-bb87-0a48978354db/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 -> e4844c64ae7d01bd77f480febddce6547020bcda [2018-12-09 00:34:27,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:34:27,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:34:27,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:34:27,402 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:34:27,403 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:34:27,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-09 00:34:27,438 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data/e1cd0d25c/73c341a21bae4ab49f8d80e13e7a62f6/FLAG4c74b1198 [2018-12-09 00:34:27,933 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:34:27,934 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-09 00:34:27,939 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data/e1cd0d25c/73c341a21bae4ab49f8d80e13e7a62f6/FLAG4c74b1198 [2018-12-09 00:34:28,420 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data/e1cd0d25c/73c341a21bae4ab49f8d80e13e7a62f6 [2018-12-09 00:34:28,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:34:28,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:34:28,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:34:28,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:34:28,425 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:34:28,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3263b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28, skipping insertion in model container [2018-12-09 00:34:28,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:34:28,456 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:34:28,611 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:34:28,618 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:34:28,683 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:34:28,712 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:34:28,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28 WrapperNode [2018-12-09 00:34:28,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:34:28,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:34:28,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:34:28,713 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:34:28,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:34:28,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:34:28,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:34:28,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:34:28,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... [2018-12-09 00:34:28,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:34:28,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:34:28,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:34:28,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:34:28,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/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 [2018-12-09 00:34:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:34:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 00:34:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 00:34:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 00:34:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 00:34:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:34:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:34:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:34:28,803 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 00:34:28,873 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-09 00:34:28,933 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-09 00:34:28,983 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:34:28,983 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-12-09 00:34:28,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:28 BoogieIcfgContainer [2018-12-09 00:34:28,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:34:28,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:34:28,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:34:28,986 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:34:28,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:34:28" (1/3) ... [2018-12-09 00:34:28,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff3dbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:28, skipping insertion in model container [2018-12-09 00:34:28,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:28" (2/3) ... [2018-12-09 00:34:28,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff3dbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:28, skipping insertion in model container [2018-12-09 00:34:28,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:28" (3/3) ... [2018-12-09 00:34:28,989 INFO L112 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-09 00:34:29,011 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,012 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,012 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,012 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,012 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,012 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,012 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,013 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,013 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,013 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,013 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,013 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,013 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,013 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,014 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,014 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,014 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,014 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,014 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,015 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,015 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,015 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,015 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,015 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,016 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,016 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,016 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:29,019 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 00:34:29,019 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:34:29,025 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 00:34:29,036 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 00:34:29,052 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:34:29,053 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:34:29,053 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:34:29,053 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:34:29,053 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:34:29,053 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:34:29,053 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:34:29,053 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:34:29,060 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68places, 80 transitions [2018-12-09 00:34:29,070 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) [2018-12-09 00:34:29,072 INFO L168 Benchmark]: Toolchain (without parser) took 649.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -99.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:29,073 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:29,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:29,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:29,074 INFO L168 Benchmark]: Boogie Preprocessor took 20.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:29,075 INFO L168 Benchmark]: RCFGBuilder took 218.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:29,075 INFO L168 Benchmark]: TraceAbstraction took 87.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:29,077 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 218.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 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 0.1.23-635dfa2 [2018-12-09 00:34:30,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:34:30,398 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:34:30,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:34:30,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:34:30,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:34:30,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:34:30,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:34:30,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:34:30,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:34:30,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:34:30,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:34:30,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:34:30,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:34:30,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:34:30,412 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:34:30,413 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:34:30,414 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:34:30,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:34:30,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:34:30,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:34:30,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:34:30,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:34:30,419 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:34:30,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:34:30,420 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:34:30,421 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:34:30,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:34:30,422 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:34:30,423 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:34:30,423 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:34:30,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:34:30,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:34:30,424 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:34:30,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:34:30,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:34:30,425 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 00:34:30,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:34:30,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:34:30,436 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:34:30,436 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:34:30,436 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:34:30,436 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:34:30,436 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:34:30,436 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:34:30,436 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:34:30,436 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:34:30,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:34:30,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:34:30,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:34:30,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:34:30,437 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:34:30,437 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:34:30,437 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:34:30,438 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:34:30,438 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:34:30,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:34:30,438 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:34:30,438 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:34:30,438 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:34:30,438 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:34:30,438 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:34:30,438 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:34:30,439 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:34:30,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:34:30,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:34:30,439 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:34:30,439 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:34:30,439 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 00:34:30,439 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:34:30,439 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:34:30,439 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:34:30,439 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_14e0aca5-9508-4e9a-bb87-0a48978354db/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 -> e4844c64ae7d01bd77f480febddce6547020bcda [2018-12-09 00:34:30,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:34:30,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:34:30,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:34:30,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:34:30,472 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:34:30,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-09 00:34:30,508 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data/f918d2ed8/838f5d47a95d44d39bbce57bf0450d8b/FLAG3e7fa052f [2018-12-09 00:34:30,849 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:34:30,849 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-09 00:34:30,856 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data/f918d2ed8/838f5d47a95d44d39bbce57bf0450d8b/FLAG3e7fa052f [2018-12-09 00:34:31,240 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/bin-2019/utaipan/data/f918d2ed8/838f5d47a95d44d39bbce57bf0450d8b [2018-12-09 00:34:31,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:34:31,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:34:31,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:34:31,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:34:31,246 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:34:31,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c3b366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31, skipping insertion in model container [2018-12-09 00:34:31,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:34:31,272 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:34:31,432 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:34:31,441 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:34:31,467 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:34:31,532 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:34:31,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31 WrapperNode [2018-12-09 00:34:31,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:34:31,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:34:31,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:34:31,533 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:34:31,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:34:31,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:34:31,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:34:31,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:34:31,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... [2018-12-09 00:34:31,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:34:31,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:34:31,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:34:31,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:34:31,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14e0aca5-9508-4e9a-bb87-0a48978354db/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 [2018-12-09 00:34:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:34:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 00:34:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 00:34:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 00:34:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:34:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 00:34:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:34:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:34:31,609 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 00:34:31,676 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-09 00:34:31,724 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-09 00:34:31,775 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:34:31,775 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-12-09 00:34:31,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:31 BoogieIcfgContainer [2018-12-09 00:34:31,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:34:31,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:34:31,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:34:31,777 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:34:31,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:34:31" (1/3) ... [2018-12-09 00:34:31,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454c7328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:31, skipping insertion in model container [2018-12-09 00:34:31,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:31" (2/3) ... [2018-12-09 00:34:31,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454c7328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:31, skipping insertion in model container [2018-12-09 00:34:31,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:31" (3/3) ... [2018-12-09 00:34:31,779 INFO L112 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-12-09 00:34:31,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,797 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,797 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,797 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,798 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,799 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,800 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,800 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,800 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,800 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,800 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,800 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,800 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:34:31,803 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 00:34:31,803 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:34:31,808 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 00:34:31,817 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 00:34:31,830 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:34:31,831 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:34:31,831 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:34:31,831 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:34:31,831 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:34:31,831 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:34:31,831 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:34:31,831 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:34:31,831 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:34:31,836 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 79 transitions [2018-12-09 00:34:31,844 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) [2018-12-09 00:34:31,845 INFO L168 Benchmark]: Toolchain (without parser) took 603.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -119.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:31,846 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:31,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:31,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.81 ms. Allocated memory is still 1.1 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. [2018-12-09 00:34:31,847 INFO L168 Benchmark]: Boogie Preprocessor took 17.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:31,848 INFO L168 Benchmark]: RCFGBuilder took 198.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:31,848 INFO L168 Benchmark]: TraceAbstraction took 69.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:31,850 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.81 ms. Allocated memory is still 1.1 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. * Boogie Preprocessor took 17.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 198.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 69.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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...