./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/34_double_lock_p2_vs_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/34_double_lock_p2_vs_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0527820ce7f25e6a965a8fdfcd5a0cfce4fa7f41 .......................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/34_double_lock_p2_vs_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0527820ce7f25e6a965a8fdfcd5a0cfce4fa7f41 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 17:31:35,352 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:31:35,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:31:35,366 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:31:35,366 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:31:35,367 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:31:35,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:31:35,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:31:35,372 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:31:35,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:31:35,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:31:35,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:31:35,375 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:31:35,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:31:35,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:31:35,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:31:35,379 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:31:35,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:31:35,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:31:35,384 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:31:35,385 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:31:35,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:31:35,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:31:35,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:31:35,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:31:35,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:31:35,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:31:35,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:31:35,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:31:35,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:31:35,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:31:35,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:31:35,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:31:35,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:31:35,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:31:35,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:31:35,398 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 17:31:35,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:31:35,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:31:35,425 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:31:35,425 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:31:35,425 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:31:35,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:31:35,426 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:31:35,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 17:31:35,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:31:35,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:31:35,426 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:31:35,426 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:31:35,427 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:31:35,427 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:31:35,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:31:35,428 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:31:35,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:31:35,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:31:35,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:31:35,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:31:35,429 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:31:35,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:31:35,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:31:35,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:31:35,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:31:35,429 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 17:31:35,431 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:31:35,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 17:31:35,431 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 0527820ce7f25e6a965a8fdfcd5a0cfce4fa7f41 [2018-12-31 17:31:35,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:31:35,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:31:35,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:31:35,522 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:31:35,523 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:31:35,524 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/34_double_lock_p2_vs_true-unreach-call.i [2018-12-31 17:31:35,586 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c14f3dd/f9943e50ce4f432281295a233e0e624f/FLAGaf355b02d [2018-12-31 17:31:36,155 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:31:36,156 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/34_double_lock_p2_vs_true-unreach-call.i [2018-12-31 17:31:36,173 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c14f3dd/f9943e50ce4f432281295a233e0e624f/FLAGaf355b02d [2018-12-31 17:31:36,398 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c14f3dd/f9943e50ce4f432281295a233e0e624f [2018-12-31 17:31:36,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:31:36,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:31:36,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:31:36,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:31:36,409 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:31:36,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:31:36" (1/1) ... [2018-12-31 17:31:36,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a07f7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:36, skipping insertion in model container [2018-12-31 17:31:36,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:31:36" (1/1) ... [2018-12-31 17:31:36,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:31:36,470 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:31:36,837 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:31:36,853 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:31:37,054 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:31:37,133 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:31:37,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37 WrapperNode [2018-12-31 17:31:37,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:31:37,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:31:37,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:31:37,135 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:31:37,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:31:37,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:31:37,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:31:37,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:31:37,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... [2018-12-31 17:31:37,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:31:37,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:31:37,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:31:37,230 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:31:37,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-12-31 17:31:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 17:31:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-31 17:31:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-31 17:31:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-31 17:31:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-31 17:31:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 17:31:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:31:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:31:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 17:31:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:31:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:31:37,314 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 17:31:37,482 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-31 17:31:37,482 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2018-12-31 17:31:37,483 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2018-12-31 17:31:37,483 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-31 17:31:37,485 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-31 17:31:37,485 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2018-12-31 17:31:37,485 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2018-12-31 17:31:37,486 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-31 17:31:37,658 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-31 17:31:37,658 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-31 17:31:37,659 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-31 17:31:37,661 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-31 17:31:37,921 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:31:37,923 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-31 17:31:37,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:31:37 BoogieIcfgContainer [2018-12-31 17:31:37,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:31:37,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:31:37,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:31:37,929 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:31:37,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:31:36" (1/3) ... [2018-12-31 17:31:37,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd3f4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:31:37, skipping insertion in model container [2018-12-31 17:31:37,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:37" (2/3) ... [2018-12-31 17:31:37,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd3f4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:31:37, skipping insertion in model container [2018-12-31 17:31:37,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:31:37" (3/3) ... [2018-12-31 17:31:37,934 INFO L112 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs_true-unreach-call.i [2018-12-31 17:31:37,972 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,973 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,973 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,973 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,973 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,974 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,974 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,974 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,974 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,974 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,975 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,976 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,976 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,976 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,977 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,978 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,978 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,978 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,978 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,978 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,979 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,979 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,979 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,979 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,979 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,979 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,980 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,982 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,982 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,982 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,982 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,982 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,982 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,984 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,984 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,985 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,985 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,985 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,985 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,986 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,986 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,986 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,986 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,986 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,988 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,988 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,989 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,989 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,989 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,989 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,990 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,990 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,990 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,990 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,990 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,990 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,991 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,991 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,991 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,991 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:37,991 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:38,024 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:31:38,024 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:31:38,034 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-31 17:31:38,053 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-31 17:31:38,079 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:31:38,080 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:31:38,080 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:31:38,081 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:31:38,081 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:31:38,081 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:31:38,081 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:31:38,081 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:31:38,081 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:31:38,090 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40places, 44 transitions [2018-12-31 17:31:38,111 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_thr2 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) [2018-12-31 17:31:38,117 INFO L168 Benchmark]: Toolchain (without parser) took 1715.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:38,119 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:31:38,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:38,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.46 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. [2018-12-31 17:31:38,122 INFO L168 Benchmark]: Boogie Preprocessor took 32.98 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:38,123 INFO L168 Benchmark]: RCFGBuilder took 694.23 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:38,124 INFO L168 Benchmark]: TraceAbstraction took 191.25 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:38,130 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 729.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.98 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 694.23 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 191.25 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: 14.1 MB). Peak memory consumption was 14.1 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_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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 0.1.24-2e94e6a [2018-12-31 17:31:40,461 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:31:40,463 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:31:40,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:31:40,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:31:40,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:31:40,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:31:40,488 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:31:40,491 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:31:40,500 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:31:40,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:31:40,501 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:31:40,504 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:31:40,505 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:31:40,506 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:31:40,511 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:31:40,512 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:31:40,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:31:40,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:31:40,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:31:40,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:31:40,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:31:40,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:31:40,533 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:31:40,533 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:31:40,534 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:31:40,535 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:31:40,535 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:31:40,539 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:31:40,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:31:40,541 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:31:40,541 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:31:40,541 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:31:40,541 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:31:40,544 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:31:40,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:31:40,547 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 17:31:40,570 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:31:40,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:31:40,571 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:31:40,571 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:31:40,571 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:31:40,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:31:40,572 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:31:40,572 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:31:40,572 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:31:40,572 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:31:40,572 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:31:40,573 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:31:40,574 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 17:31:40,574 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 17:31:40,574 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:31:40,574 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:31:40,575 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:31:40,575 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:31:40,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:31:40,575 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:31:40,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:31:40,575 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:31:40,577 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:31:40,577 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:31:40,577 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:31:40,577 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:31:40,577 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 17:31:40,578 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:31:40,578 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 17:31:40,578 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 17:31:40,578 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 0527820ce7f25e6a965a8fdfcd5a0cfce4fa7f41 [2018-12-31 17:31:40,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:31:40,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:31:40,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:31:40,631 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:31:40,632 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:31:40,633 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/34_double_lock_p2_vs_true-unreach-call.i [2018-12-31 17:31:40,688 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ead37747/e297e7b19f9d4ad7941af787d049f6e0/FLAGc5d81a22d [2018-12-31 17:31:41,197 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:31:41,198 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/34_double_lock_p2_vs_true-unreach-call.i [2018-12-31 17:31:41,216 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ead37747/e297e7b19f9d4ad7941af787d049f6e0/FLAGc5d81a22d [2018-12-31 17:31:41,488 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ead37747/e297e7b19f9d4ad7941af787d049f6e0 [2018-12-31 17:31:41,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:31:41,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:31:41,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:31:41,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:31:41,498 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:31:41,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:31:41" (1/1) ... [2018-12-31 17:31:41,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f79300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:41, skipping insertion in model container [2018-12-31 17:31:41,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:31:41" (1/1) ... [2018-12-31 17:31:41,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:31:41,570 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:31:41,991 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:31:42,014 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:31:42,185 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:31:42,295 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:31:42,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42 WrapperNode [2018-12-31 17:31:42,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:31:42,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:31:42,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:31:42,297 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:31:42,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:31:42,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:31:42,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:31:42,380 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:31:42,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... [2018-12-31 17:31:42,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:31:42,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:31:42,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:31:42,460 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:31:42,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-12-31 17:31:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 17:31:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-31 17:31:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-31 17:31:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-31 17:31:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-31 17:31:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:31:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:31:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 17:31:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-31 17:31:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:31:42,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:31:42,550 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 17:31:42,743 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-31 17:31:42,744 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2018-12-31 17:31:42,744 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2018-12-31 17:31:42,745 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-31 17:31:42,746 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-31 17:31:42,746 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2018-12-31 17:31:42,746 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2018-12-31 17:31:42,747 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-31 17:31:42,922 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-31 17:31:42,924 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-31 17:31:42,925 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-31 17:31:42,927 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-31 17:31:43,307 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:31:43,307 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-31 17:31:43,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:31:43 BoogieIcfgContainer [2018-12-31 17:31:43,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:31:43,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:31:43,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:31:43,313 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:31:43,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:31:41" (1/3) ... [2018-12-31 17:31:43,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7505ffd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:31:43, skipping insertion in model container [2018-12-31 17:31:43,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:42" (2/3) ... [2018-12-31 17:31:43,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7505ffd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:31:43, skipping insertion in model container [2018-12-31 17:31:43,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:31:43" (3/3) ... [2018-12-31 17:31:43,318 INFO L112 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs_true-unreach-call.i [2018-12-31 17:31:43,357 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,357 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,358 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,358 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,358 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,359 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,359 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,359 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,360 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,360 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,360 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,360 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,360 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,360 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,360 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,360 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,361 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,361 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,361 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,361 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,364 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,364 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,364 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,364 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,364 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,365 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,365 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,365 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,365 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,365 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,365 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,365 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,369 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,369 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,369 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,369 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,370 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,370 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,370 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,370 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,370 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,370 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,372 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,373 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,373 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,373 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,373 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,373 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,373 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,374 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,375 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,375 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,375 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,377 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,377 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,377 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,377 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,377 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:43,401 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:31:43,401 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:31:43,410 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-31 17:31:43,426 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-31 17:31:43,451 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:31:43,452 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:31:43,452 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:31:43,453 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:31:43,453 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:31:43,453 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:31:43,453 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:31:43,453 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:31:43,453 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:31:43,463 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39places, 43 transitions [2018-12-31 17:31:43,486 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_thr2 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) [2018-12-31 17:31:43,492 INFO L168 Benchmark]: Toolchain (without parser) took 2000.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -100.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:43,494 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:31:43,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:43,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.13 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. [2018-12-31 17:31:43,496 INFO L168 Benchmark]: Boogie Preprocessor took 79.82 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:43,497 INFO L168 Benchmark]: RCFGBuilder took 848.44 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:43,498 INFO L168 Benchmark]: TraceAbstraction took 181.61 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:43,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 802.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.82 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 848.44 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 181.61 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: 13.6 MB). Peak memory consumption was 13.6 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_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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...