/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr25.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 16:20:37,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 16:20:37,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 16:20:37,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-30 16:20:37,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-30 16:20:37,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-30 16:20:37,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-30 16:20:37,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-30 16:20:37,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-30 16:20:37,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-30 16:20:37,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-30 16:20:37,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-30 16:20:37,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 16:20:37,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 16:20:37,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 16:20:37,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 16:20:37,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 16:20:37,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 16:20:37,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 16:20:37,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 16:20:37,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 16:20:37,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 16:20:37,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 16:20:37,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 16:20:37,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-30 16:20:37,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-30 16:20:37,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-30 16:20:37,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-30 16:20:37,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-30 16:20:37,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-30 16:20:37,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-30 16:20:37,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-30 16:20:37,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-30 16:20:37,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-30 16:20:37,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-30 16:20:37,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-30 16:20:37,622 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-Random521.epf [2021-06-30 16:20:37,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 16:20:37,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 16:20:37,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 16:20:37,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 16:20:37,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 16:20:37,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 16:20:37,666 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 16:20:37,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 16:20:37,667 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 16:20:37,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 16:20:37,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 16:20:37,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 16:20:37,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 16:20:37,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 16:20:37,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 16:20:37,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 16:20:37,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 16:20:37,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 16:20:37,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 16:20:37,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 16:20:37,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 16:20:37,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 16:20:37,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 16:20:37,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 16:20:37,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 16:20:37,669 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-30 16:20:37,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-30 16:20:37,670 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 16:20:37,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 16:20:37,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 16:20:37,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 16:20:37,896 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 16:20:37,897 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 16:20:37,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr25.bpl [2021-06-30 16:20:37,897 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr25.bpl' [2021-06-30 16:20:37,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 16:20:37,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 16:20:37,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 16:20:37,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 16:20:37,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 16:20:37,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 16:20:37,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 16:20:37,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 16:20:37,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 16:20:37,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... [2021-06-30 16:20:37,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 16:20:37,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 16:20:37,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 16:20:37,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 16:20:37,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 16:20:38,084 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 16:20:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 16:20:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 16:20:38,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 16:20:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 16:20:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 16:20:38,086 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 16:20:38,265 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 16:20:38,265 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 16:20:38,266 INFO L202 PluginConnector]: Adding new model incr-decr25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 04:20:38 BoogieIcfgContainer [2021-06-30 16:20:38,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 16:20:38,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 16:20:38,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 16:20:38,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 16:20:38,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:20:37" (1/2) ... [2021-06-30 16:20:38,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4757de44 and model type incr-decr25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 04:20:38, skipping insertion in model container [2021-06-30 16:20:38,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 04:20:38" (2/2) ... [2021-06-30 16:20:38,272 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr25.bpl [2021-06-30 16:20:38,281 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 16:20:38,281 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 16:20:38,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 16:20:38,283 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 16:20:38,632 INFO L149 ThreadInstanceAdder]: Constructed 25 joinOtherThreadTransitions. [2021-06-30 16:20:38,648 INFO L255 AbstractCegarLoop]: Starting to check reachability of 26 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 16:20:38,679 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 16:20:38,679 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 16:20:38,679 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 16:20:38,679 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 16:20:38,679 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 16:20:38,679 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 16:20:38,679 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 16:20:38,679 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========