./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/33_double_lock_p1_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/33_double_lock_p1_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 ff3fb4eaf6b0ddc1a3db996f833d38a9cbb92895 ..................................................................................................................................................................................................................................................................................... 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/33_double_lock_p1_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 ff3fb4eaf6b0ddc1a3db996f833d38a9cbb92895 ...................................................................................................................................................................................................................................................................................... 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 17:31:32,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:31:32,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:31:32,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:31:32,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:31:32,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:31:32,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:31:32,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:31:32,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:31:32,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:31:32,425 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:31:32,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:31:32,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:31:32,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:31:32,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:31:32,430 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:31:32,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:31:32,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:31:32,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:31:32,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:31:32,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:31:32,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:31:32,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:31:32,449 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:31:32,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:31:32,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:31:32,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:31:32,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:31:32,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:31:32,464 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:31:32,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:31:32,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:31:32,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:31:32,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:31:32,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:31:32,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:31:32,469 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 17:31:32,492 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:31:32,492 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:31:32,494 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:31:32,494 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:31:32,494 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:31:32,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:31:32,495 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:31:32,495 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 17:31:32,495 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:31:32,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:31:32,496 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:31:32,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:31:32,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:31:32,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:31:32,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:31:32,496 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:31:32,498 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:31:32,498 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:31:32,498 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:31:32,499 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:31:32,499 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:31:32,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:31:32,499 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:31:32,499 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:31:32,500 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:31:32,501 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 17:31:32,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:31:32,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 17:31:32,501 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 -> ff3fb4eaf6b0ddc1a3db996f833d38a9cbb92895 [2018-12-31 17:31:32,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:31:32,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:31:32,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:31:32,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:31:32,560 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:31:32,561 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/33_double_lock_p1_vs_true-unreach-call.i [2018-12-31 17:31:32,626 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb2ce202/eaaddf6e051a4fb0b1f20308edd6a76e/FLAG7804ce27b [2018-12-31 17:31:33,154 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:31:33,155 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/33_double_lock_p1_vs_true-unreach-call.i [2018-12-31 17:31:33,167 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb2ce202/eaaddf6e051a4fb0b1f20308edd6a76e/FLAG7804ce27b [2018-12-31 17:31:33,431 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb2ce202/eaaddf6e051a4fb0b1f20308edd6a76e [2018-12-31 17:31:33,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:31:33,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:31:33,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:31:33,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:31:33,442 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:31:33,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:31:33" (1/1) ... [2018-12-31 17:31:33,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a342070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:33, skipping insertion in model container [2018-12-31 17:31:33,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:31:33" (1/1) ... [2018-12-31 17:31:33,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:31:33,497 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:31:33,842 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:31:33,855 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:31:34,018 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:31:34,123 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:31:34,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34 WrapperNode [2018-12-31 17:31:34,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:31:34,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:31:34,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:31:34,126 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:31:34,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:31:34,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:31:34,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:31:34,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:31:34,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (1/1) ... [2018-12-31 17:31:34,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:31:34,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:31:34,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:31:34,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:31:34,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (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 17:31:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 17:31:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-31 17:31:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-31 17:31:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-31 17:31:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-31 17:31:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 17:31:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:31:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:31:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 17:31:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:31:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:31:34,361 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 17:31:34,630 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-31 17:31:34,631 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2018-12-31 17:31:34,631 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2018-12-31 17:31:34,631 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-31 17:31:34,635 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-31 17:31:34,636 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2018-12-31 17:31:34,636 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2018-12-31 17:31:34,636 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-31 17:31:34,778 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-31 17:31:34,779 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-31 17:31:34,783 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-31 17:31:34,784 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-31 17:31:34,979 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:31:34,980 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-31 17:31:34,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:31:34 BoogieIcfgContainer [2018-12-31 17:31:34,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:31:34,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:31:34,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:31:34,986 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:31:34,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:31:33" (1/3) ... [2018-12-31 17:31:34,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795505c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:31:34, skipping insertion in model container [2018-12-31 17:31:34,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:34" (2/3) ... [2018-12-31 17:31:34,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795505c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:31:34, skipping insertion in model container [2018-12-31 17:31:34,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:31:34" (3/3) ... [2018-12-31 17:31:34,990 INFO L112 eAbstractionObserver]: Analyzing ICFG 33_double_lock_p1_vs_true-unreach-call.i [2018-12-31 17:31:35,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,044 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,044 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,045 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,046 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,047 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,047 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,047 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,047 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,047 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,048 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,048 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,049 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,049 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,049 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,049 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,052 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,052 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,052 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,054 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,054 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,054 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,054 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,054 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,055 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,055 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,055 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,055 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,055 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,055 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,056 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,056 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,057 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,057 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,057 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,057 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:35,057 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 17:31:35,090 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:31:35,091 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:31:35,099 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-31 17:31:35,118 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-31 17:31:35,146 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:31:35,147 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:31:35,147 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:31:35,147 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:31:35,147 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:31:35,147 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:31:35,147 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:31:35,147 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:31:35,148 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:31:35,157 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40places, 44 transitions [2018-12-31 17:31:35,180 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 17:31:35,184 INFO L168 Benchmark]: Toolchain (without parser) took 1747.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -55.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:35,186 INFO L168 Benchmark]: CDTParser took 0.16 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 17:31:35,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -97.4 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:35,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:31:35,188 INFO L168 Benchmark]: Boogie Preprocessor took 70.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:31:35,189 INFO L168 Benchmark]: RCFGBuilder took 701.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:35,190 INFO L168 Benchmark]: TraceAbstraction took 201.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:35,195 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 687.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -97.4 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 701.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 201.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 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_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 17:31:37,622 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:31:37,623 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:31:37,636 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:31:37,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:31:37,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:31:37,640 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:31:37,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:31:37,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:31:37,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:31:37,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:31:37,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:31:37,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:31:37,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:31:37,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:31:37,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:31:37,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:31:37,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:31:37,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:31:37,657 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:31:37,659 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:31:37,660 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:31:37,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:31:37,663 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:31:37,663 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:31:37,664 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:31:37,665 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:31:37,666 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:31:37,667 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:31:37,668 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:31:37,669 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:31:37,669 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:31:37,670 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:31:37,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:31:37,671 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:31:37,671 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:31:37,672 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 17:31:37,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:31:37,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:31:37,689 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:31:37,689 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:31:37,689 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:31:37,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:31:37,690 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:31:37,690 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:31:37,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:31:37,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:31:37,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:31:37,691 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:31:37,692 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 17:31:37,692 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 17:31:37,692 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:31:37,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:31:37,692 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:31:37,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:31:37,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:31:37,694 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:31:37,694 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:31:37,694 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:31:37,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:31:37,694 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:31:37,694 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:31:37,695 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:31:37,695 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 17:31:37,696 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:31:37,696 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 17:31:37,696 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 17:31:37,696 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 -> ff3fb4eaf6b0ddc1a3db996f833d38a9cbb92895 [2018-12-31 17:31:37,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:31:37,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:31:37,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:31:37,753 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:31:37,754 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:31:37,758 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/33_double_lock_p1_vs_true-unreach-call.i [2018-12-31 17:31:37,828 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/827311552/ee92bd93e3dd4ac286b3cc047c0b6337/FLAGb797d2c74 [2018-12-31 17:31:38,353 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:31:38,354 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/33_double_lock_p1_vs_true-unreach-call.i [2018-12-31 17:31:38,374 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/827311552/ee92bd93e3dd4ac286b3cc047c0b6337/FLAGb797d2c74 [2018-12-31 17:31:38,648 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/827311552/ee92bd93e3dd4ac286b3cc047c0b6337 [2018-12-31 17:31:38,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:31:38,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:31:38,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:31:38,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:31:38,660 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:31:38,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:31:38" (1/1) ... [2018-12-31 17:31:38,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d11486e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:38, skipping insertion in model container [2018-12-31 17:31:38,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:31:38" (1/1) ... [2018-12-31 17:31:38,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:31:38,737 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:31:39,178 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:31:39,201 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:31:39,353 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:31:39,450 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:31:39,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39 WrapperNode [2018-12-31 17:31:39,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:31:39,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:31:39,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:31:39,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:31:39,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:31:39,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:31:39,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:31:39,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:31:39,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (1/1) ... [2018-12-31 17:31:39,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:31:39,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:31:39,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:31:39,606 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:31:39,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (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 17:31:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 17:31:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-31 17:31:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-31 17:31:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-31 17:31:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-31 17:31:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:31:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:31:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 17:31:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-31 17:31:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:31:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:31:39,688 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 17:31:39,921 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-31 17:31:39,922 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2018-12-31 17:31:39,922 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2018-12-31 17:31:39,923 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-31 17:31:39,923 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-31 17:31:39,924 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2018-12-31 17:31:39,924 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2018-12-31 17:31:39,924 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-31 17:31:40,059 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-31 17:31:40,060 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-31 17:31:40,063 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-31 17:31:40,064 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-31 17:31:40,269 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:31:40,269 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-31 17:31:40,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:31:40 BoogieIcfgContainer [2018-12-31 17:31:40,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:31:40,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:31:40,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:31:40,274 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:31:40,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:31:38" (1/3) ... [2018-12-31 17:31:40,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dcd861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:31:40, skipping insertion in model container [2018-12-31 17:31:40,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:31:39" (2/3) ... [2018-12-31 17:31:40,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dcd861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:31:40, skipping insertion in model container [2018-12-31 17:31:40,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:31:40" (3/3) ... [2018-12-31 17:31:40,280 INFO L112 eAbstractionObserver]: Analyzing ICFG 33_double_lock_p1_vs_true-unreach-call.i [2018-12-31 17:31:40,317 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,318 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,318 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,318 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,319 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,319 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,320 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,320 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,320 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,320 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,320 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,320 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,321 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,321 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,321 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,321 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,321 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,321 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,321 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,324 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,324 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,324 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,325 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,325 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,325 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,330 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,330 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,330 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,331 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,331 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,332 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,334 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,334 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,334 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,336 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,336 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,336 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:31:40,367 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:31:40,368 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:31:40,377 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-31 17:31:40,397 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-31 17:31:40,425 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:31:40,426 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:31:40,426 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:31:40,426 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:31:40,427 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:31:40,427 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:31:40,427 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:31:40,427 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:31:40,427 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:31:40,436 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39places, 43 transitions [2018-12-31 17:31:40,457 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 17:31:40,461 INFO L168 Benchmark]: Toolchain (without parser) took 1808.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -111.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:40,463 INFO L168 Benchmark]: CDTParser took 1.12 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 17:31:40,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:40,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.26 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 17:31:40,465 INFO L168 Benchmark]: Boogie Preprocessor took 58.56 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 17:31:40,466 INFO L168 Benchmark]: RCFGBuilder took 664.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:40,467 INFO L168 Benchmark]: TraceAbstraction took 189.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-31 17:31:40,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 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 796.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.26 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 58.56 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 664.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 189.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 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...