/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 16:05:04,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 16:05:04,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 16:05:04,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-30 16:05:04,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 16:05:04,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 16:05:04,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 16:05:04,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 16:05:04,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 16:05:04,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 16:05:04,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 16:05:04,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 16:05:04,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 16:05:04,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 16:05:04,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 16:05:04,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 16:05:04,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-30 16:05:04,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-30 16:05:04,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-30 16:05:04,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-30 16:05:04,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-30 16:05:04,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-30 16:05:04,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-30 16:05:04,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-30 16:05:04,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-30 16:05:04,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-30 16:05:04,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-30 16:05:04,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-30 16:05:04,159 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-30 16:05:04,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 16:05:04,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 16:05:04,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 16:05:04,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 16:05:04,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 16:05:04,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 16:05:04,181 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 16:05:04,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 16:05:04,181 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 16:05:04,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 16:05:04,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 16:05:04,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 16:05:04,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 16:05:04,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 16:05:04,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 16:05:04,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 16:05:04,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 16:05:04,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 16:05:04,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 16:05:04,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 16:05:04,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 16:05:04,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 16:05:04,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 16:05:04,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 16:05:04,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 16:05:04,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 16:05:04,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 16:05:04,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 16:05:04,211 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-30 16:05:04,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 16:05:04,211 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 16:05:04,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 16:05:04,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 16:05:04,212 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-30 16:05:04,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-30 16:05:04,212 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 16:05:04,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 16:05:04,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 16:05:04,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 16:05:04,508 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 16:05:04,509 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 16:05:04,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr24.bpl [2021-06-30 16:05:04,510 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr24.bpl' [2021-06-30 16:05:04,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 16:05:04,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 16:05:04,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 16:05:04,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 16:05:04,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 16:05:04,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 16:05:04,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 16:05:04,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 16:05:04,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 16:05:04,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/1) ... [2021-06-30 16:05:04,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 16:05:04,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 16:05:04,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 16:05:04,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 16:05:04,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (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 [2021-06-30 16:05:04,661 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 16:05:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 16:05:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 16:05:04,662 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 16:05:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 16:05:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 16:05:04,663 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-30 16:05:04,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 16:05:04,830 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 16:05:04,832 INFO L202 PluginConnector]: Adding new model incr-decr24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 04:05:04 BoogieIcfgContainer [2021-06-30 16:05:04,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 16:05:04,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 16:05:04,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 16:05:04,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 16:05:04,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:05:04" (1/2) ... [2021-06-30 16:05:04,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad9b2a1 and model type incr-decr24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 04:05:04, skipping insertion in model container [2021-06-30 16:05:04,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 04:05:04" (2/2) ... [2021-06-30 16:05:04,860 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr24.bpl [2021-06-30 16:05:04,866 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 16:05:04,866 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 16:05:04,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 16:05:04,867 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 16:05:05,403 INFO L149 ThreadInstanceAdder]: Constructed 24 joinOtherThreadTransitions. [2021-06-30 16:05:05,434 INFO L255 AbstractCegarLoop]: Starting to check reachability of 25 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-30 16:05:05,476 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 16:05:05,477 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 16:05:05,477 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 16:05:05,477 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 16:05:05,477 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 16:05:05,477 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 16:05:05,477 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 16:05:05,477 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========