/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 18:33:26,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 18:33:26,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 18:33:26,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-30 18:33:26,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-30 18:33:26,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-30 18:33:26,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-30 18:33:26,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-30 18:33:26,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-30 18:33:26,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-30 18:33:26,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-30 18:33:26,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-30 18:33:26,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 18:33:26,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 18:33:26,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 18:33:26,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 18:33:26,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 18:33:26,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 18:33:26,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 18:33:26,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 18:33:26,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 18:33:26,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 18:33:26,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 18:33:26,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 18:33:26,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-30 18:33:26,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-30 18:33:26,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-30 18:33:26,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-30 18:33:26,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-30 18:33:26,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-30 18:33:26,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-30 18:33:26,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-30 18:33:26,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-30 18:33:26,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-30 18:33:26,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-30 18:33:26,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-30 18:33:26,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-30 18:33:26,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-30 18:33:26,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-30 18:33:26,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-30 18:33:26,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-30 18:33:26,658 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-06-30 18:33:26,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 18:33:26,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 18:33:26,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 18:33:26,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 18:33:26,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 18:33:26,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 18:33:26,696 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 18:33:26,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 18:33:26,696 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 18:33:26,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 18:33:26,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 18:33:26,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 18:33:26,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 18:33:26,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 18:33:26,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 18:33:26,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 18:33:26,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 18:33:26,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 18:33:26,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 18:33:26,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 18:33:26,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 18:33:26,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 18:33:26,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 18:33:26,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 18:33:26,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 18:33:26,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 18:33:26,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 18:33:26,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 18:33:26,700 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-30 18:33:26,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 18:33:26,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 18:33:26,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 18:33:26,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 18:33:26,701 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-30 18:33:26,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 18:33:26,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 18:33:27,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 18:33:27,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 18:33:27,019 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 18:33:27,020 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 18:33:27,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr16.bpl [2021-06-30 18:33:27,021 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr16.bpl' [2021-06-30 18:33:27,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 18:33:27,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 18:33:27,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 18:33:27,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 18:33:27,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 18:33:27,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 18:33:27,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 18:33:27,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 18:33:27,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 18:33:27,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/1) ... [2021-06-30 18:33:27,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 18:33:27,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 18:33:27,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 18:33:27,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 18:33:27,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (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 18:33:27,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 18:33:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 18:33:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 18:33:27,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 18:33:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 18:33:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 18:33:27,201 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 18:33:27,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 18:33:27,327 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 18:33:27,329 INFO L202 PluginConnector]: Adding new model incr-decr16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 06:33:27 BoogieIcfgContainer [2021-06-30 18:33:27,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 18:33:27,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 18:33:27,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 18:33:27,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 18:33:27,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 06:33:27" (1/2) ... [2021-06-30 18:33:27,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2855a17a and model type incr-decr16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 06:33:27, skipping insertion in model container [2021-06-30 18:33:27,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 06:33:27" (2/2) ... [2021-06-30 18:33:27,336 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr16.bpl [2021-06-30 18:33:27,341 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 18:33:27,341 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 18:33:27,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 18:33:27,342 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 18:33:27,647 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-06-30 18:33:27,666 INFO L255 AbstractCegarLoop]: Starting to check reachability of 17 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 18:33:27,713 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 18:33:27,713 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 18:33:27,713 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 18:33:27,713 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 18:33:27,714 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 18:33:27,714 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 18:33:27,714 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 18:33:27,714 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 18:33:30,614 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-30 18:33:30,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 18:33:30,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1434521175, now seen corresponding path program 1 times [2021-06-30 18:33:30,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 18:33:30,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127241796] [2021-06-30 18:33:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 18:33:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 18:33:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2480 backedges. 0 proven. 1948 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2021-06-30 18:33:32,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 18:33:32,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127241796] [2021-06-30 18:33:32,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127241796] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 18:33:32,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234897857] [2021-06-30 18:33:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 18:33:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 18:33:32,913 WARN L261 TraceCheckSpWp]: Trace formula consists of 1301 conjuncts, 739 conjunts are in the unsatisfiable core [2021-06-30 18:33:32,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 18:33:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2480 backedges. 0 proven. 1948 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2021-06-30 18:33:34,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234897857] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 18:33:34,001 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 18:33:34,002 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2021-06-30 18:33:34,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707909070] [2021-06-30 18:33:34,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-30 18:33:34,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 18:33:34,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-30 18:33:34,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-30 18:33:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 18:33:34,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 18:33:34,024 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 23.454545454545453) internal successors, (258), 11 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 18:33:34,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-06-30 18:44:09,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-30 18:44:09,537 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-30 18:44:09,542 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 18:44:09,543 WARN L196 ceAbstractionStarter]: Timeout [2021-06-30 18:44:09,543 INFO L202 PluginConnector]: Adding new model incr-decr16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 06:44:09 BasicIcfg [2021-06-30 18:44:09,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 18:44:09,544 INFO L168 Benchmark]: Toolchain (without parser) took 642495.16 ms. Allocated memory was 239.1 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 218.1 MB in the beginning and 961.5 MB in the end (delta: -743.4 MB). Peak memory consumption was 4.0 GB. Max. memory is 8.0 GB. [2021-06-30 18:44:09,544 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 239.1 MB. Free memory is still 219.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 18:44:09,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.26 ms. Allocated memory is still 239.1 MB. Free memory was 218.0 MB in the beginning and 216.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-30 18:44:09,544 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 ms. Allocated memory is still 239.1 MB. Free memory was 216.5 MB in the beginning and 215.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 18:44:09,545 INFO L168 Benchmark]: RCFGBuilder took 214.92 ms. Allocated memory is still 239.1 MB. Free memory was 215.5 MB in the beginning and 204.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-30 18:44:09,545 INFO L168 Benchmark]: TraceAbstraction took 642213.13 ms. Allocated memory was 239.1 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 204.4 MB in the beginning and 961.5 MB in the end (delta: -757.0 MB). Peak memory consumption was 3.9 GB. Max. memory is 8.0 GB. [2021-06-30 18:44:09,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 239.1 MB. Free memory is still 219.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.26 ms. Allocated memory is still 239.1 MB. Free memory was 218.0 MB in the beginning and 216.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.16 ms. Allocated memory is still 239.1 MB. Free memory was 216.5 MB in the beginning and 215.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 214.92 ms. Allocated memory is still 239.1 MB. Free memory was 215.5 MB in the beginning and 204.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 642213.13 ms. Allocated memory was 239.1 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 204.4 MB in the beginning and 961.5 MB in the end (delta: -757.0 MB). Peak memory consumption was 3.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6855636, positive: 6412374, positive conditional: 6391712, positive unconditional: 20662, negative: 443262, negative conditional: 443157, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6412479, positive: 6412374, positive conditional: 6391712, positive unconditional: 20662, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6412479, positive: 6412374, positive conditional: 0, positive unconditional: 6412374, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7841, positive: 7827, positive conditional: 0, positive unconditional: 7827, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7841, positive: 6867, positive conditional: 0, positive unconditional: 6867, negative: 974, negative conditional: 0, negative unconditional: 974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 974, positive: 960, positive conditional: 0, positive unconditional: 960, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 974, positive: 960, positive conditional: 0, positive unconditional: 960, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 921, positive: 910, positive conditional: 0, positive unconditional: 910, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6412479, positive: 6404547, positive conditional: 0, positive unconditional: 6404547, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 7841, unknown conditional: 0, unknown unconditional: 7841] , Statistics on independence cache: Total cache size (in pairs): 7841, Positive cache size: 7827, Positive conditional cache size: 0, Positive unconditional cache size: 7827, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 974, positive: 960, positive conditional: 0, positive unconditional: 960, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 921, positive: 910, positive conditional: 0, positive unconditional: 910, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 7841, Positive cache size: 7827, Positive conditional cache size: 0, Positive unconditional cache size: 7827, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 443157 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 47510, Number of persistent set computation: 140888, Number of trivial persistent sets: 572, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6855636, positive: 6412374, positive conditional: 6391712, positive unconditional: 20662, negative: 443262, negative conditional: 443157, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6412479, positive: 6412374, positive conditional: 6391712, positive unconditional: 20662, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6412479, positive: 6412374, positive conditional: 0, positive unconditional: 6412374, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7841, positive: 7827, positive conditional: 0, positive unconditional: 7827, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7841, positive: 6867, positive conditional: 0, positive unconditional: 6867, negative: 974, negative conditional: 0, negative unconditional: 974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 974, positive: 960, positive conditional: 0, positive unconditional: 960, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 974, positive: 960, positive conditional: 0, positive unconditional: 960, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 921, positive: 910, positive conditional: 0, positive unconditional: 910, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6412479, positive: 6404547, positive conditional: 0, positive unconditional: 6404547, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 7841, unknown conditional: 0, unknown unconditional: 7841] , Statistics on independence cache: Total cache size (in pairs): 7841, Positive cache size: 7827, Positive conditional cache size: 0, Positive unconditional cache size: 7827, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 974, positive: 960, positive conditional: 0, positive unconditional: 960, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 921, positive: 910, positive conditional: 0, positive unconditional: 910, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 7841, Positive cache size: 7827, Positive conditional cache size: 0, Positive unconditional cache size: 7827, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 443157 - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing SleepSetNewStateReduction. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 18 procedures, 104 locations, 17 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 641862.4ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.7ms, PartialOrderReductionTime: 638182.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 85.0ms SsaConstructionTime, 857.8ms SatisfiabilityAnalysisTime, 2303.4ms InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 5838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1301 ConjunctsInSsa, 739 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 1064/4960 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown