/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-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 14:39:07,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 14:39:07,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 14:39:07,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-30 14:39:07,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-30 14:39:07,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-30 14:39:07,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-30 14:39:07,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-30 14:39:07,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-30 14:39:07,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-30 14:39:07,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-30 14:39:07,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-30 14:39:07,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 14:39:07,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 14:39:07,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 14:39:07,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 14:39:07,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 14:39:07,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 14:39:07,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 14:39:07,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 14:39:07,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 14:39:07,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 14:39:07,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 14:39:07,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 14:39:07,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-30 14:39:07,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-30 14:39:07,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-30 14:39:07,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-30 14:39:07,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-30 14:39:07,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-30 14:39:07,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-30 14:39:07,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-30 14:39:07,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-30 14:39:07,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-30 14:39:07,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-30 14:39:07,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-30 14:39:07,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-30 14:39:07,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-30 14:39:07,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-30 14:39:07,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-30 14:39:07,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-30 14:39:07,781 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-DelaySleep-NoLbe-Lockstep.epf [2021-06-30 14:39:07,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 14:39:07,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 14:39:07,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 14:39:07,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 14:39:07,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 14:39:07,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 14:39:07,817 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 14:39:07,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 14:39:07,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 14:39:07,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 14:39:07,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 14:39:07,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 14:39:07,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 14:39:07,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 14:39:07,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 14:39:07,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 14:39:07,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 14:39:07,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 14:39:07,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 14:39:07,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 14:39:07,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 14:39:07,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 14:39:07,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 14:39:07,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 14:39:07,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 14:39:07,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 14:39:07,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 14:39:07,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 14:39:07,821 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-30 14:39:07,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 14:39:07,821 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 14:39:07,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 14:39:07,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 14:39:07,822 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-30 14:39:07,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 14:39:08,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 14:39:08,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 14:39:08,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 14:39:08,165 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 14:39:08,166 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 14:39:08,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr23.bpl [2021-06-30 14:39:08,167 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr23.bpl' [2021-06-30 14:39:08,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 14:39:08,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 14:39:08,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 14:39:08,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 14:39:08,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 14:39:08,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 14:39:08,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 14:39:08,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 14:39:08,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 14:39:08,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/1) ... [2021-06-30 14:39:08,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 14:39:08,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 14:39:08,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 14:39:08,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 14:39:08,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (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 14:39:08,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 14:39:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 14:39:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 14:39:08,360 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 14:39:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 14:39:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 14:39:08,361 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 14:39:08,577 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 14:39:08,577 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 14:39:08,579 INFO L202 PluginConnector]: Adding new model incr-decr23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 02:39:08 BoogieIcfgContainer [2021-06-30 14:39:08,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 14:39:08,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 14:39:08,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 14:39:08,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 14:39:08,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 02:39:08" (1/2) ... [2021-06-30 14:39:08,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343d1314 and model type incr-decr23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 02:39:08, skipping insertion in model container [2021-06-30 14:39:08,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 02:39:08" (2/2) ... [2021-06-30 14:39:08,585 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr23.bpl [2021-06-30 14:39:08,590 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 14:39:08,590 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 14:39:08,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 14:39:08,591 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 14:39:09,007 INFO L149 ThreadInstanceAdder]: Constructed 23 joinOtherThreadTransitions. [2021-06-30 14:39:09,029 INFO L255 AbstractCegarLoop]: Starting to check reachability of 24 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 14:39:09,074 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 14:39:09,074 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 14:39:09,074 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 14:39:09,074 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 14:39:09,075 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 14:39:09,075 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 14:39:09,075 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 14:39:09,075 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 14:42:51,618 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr22INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr21INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION, ULTIMATE.startErr20INUSE_VIOLATION]=== [2021-06-30 14:42:51,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 14:42:51,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1062536572, now seen corresponding path program 1 times [2021-06-30 14:42:51,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 14:42:51,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832053542] [2021-06-30 14:42:51,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 14:42:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 14:42:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1372 backedges. 0 proven. 1208 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-06-30 14:42:53,184 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 14:42:53,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832053542] [2021-06-30 14:42:53,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832053542] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 14:42:53,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981285174] [2021-06-30 14:42:53,185 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 14:42:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 14:42:53,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 579 conjunts are in the unsatisfiable core [2021-06-30 14:42:53,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 14:42:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1372 backedges. 0 proven. 1208 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-06-30 14:42:54,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981285174] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 14:42:54,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 14:42:54,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-30 14:42:54,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165725045] [2021-06-30 14:42:54,549 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-30 14:42:54,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 14:42:54,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-30 14:42:54,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-06-30 14:42:54,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 14:42:54,567 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 14:42:54,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 25.3) internal successors, (253), 10 states have internal predecessors, (253), 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 14:42:54,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-06-30 14:50:07,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-30 14:50:07,805 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-30 14:50:07,810 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 14:50:07,811 WARN L196 ceAbstractionStarter]: Timeout [2021-06-30 14:50:07,811 INFO L202 PluginConnector]: Adding new model incr-decr23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 02:50:07 BasicIcfg [2021-06-30 14:50:07,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 14:50:07,812 INFO L168 Benchmark]: Toolchain (without parser) took 659617.34 ms. Allocated memory was 187.7 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 168.0 MB in the beginning and 124.0 MB in the end (delta: 44.0 MB). Peak memory consumption was 3.5 GB. Max. memory is 8.0 GB. [2021-06-30 14:50:07,812 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 169.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 14:50:07,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.11 ms. Allocated memory is still 187.7 MB. Free memory was 167.8 MB in the beginning and 166.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-30 14:50:07,823 INFO L168 Benchmark]: Boogie Preprocessor took 28.37 ms. Allocated memory is still 187.7 MB. Free memory was 166.3 MB in the beginning and 165.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 14:50:07,823 INFO L168 Benchmark]: RCFGBuilder took 314.59 ms. Allocated memory is still 187.7 MB. Free memory was 165.2 MB in the beginning and 153.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-30 14:50:07,831 INFO L168 Benchmark]: TraceAbstraction took 659231.27 ms. Allocated memory was 187.7 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 153.1 MB in the beginning and 124.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 3.5 GB. Max. memory is 8.0 GB. [2021-06-30 14:50:07,833 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 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 169.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.11 ms. Allocated memory is still 187.7 MB. Free memory was 167.8 MB in the beginning and 166.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.37 ms. Allocated memory is still 187.7 MB. Free memory was 166.3 MB in the beginning and 165.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 314.59 ms. Allocated memory is still 187.7 MB. Free memory was 165.2 MB in the beginning and 153.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 659231.27 ms. Allocated memory was 187.7 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 153.1 MB in the beginning and 124.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 3.5 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: 49635750, positive: 47653618, positive conditional: 47653618, positive unconditional: 0, negative: 1982132, negative conditional: 1982132, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 47653618, positive: 47653618, positive conditional: 47653618, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 47653618, positive: 47653618, positive conditional: 0, positive unconditional: 47653618, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2467, positive: 2467, positive conditional: 0, positive unconditional: 2467, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2467, positive: 1820, positive conditional: 0, positive unconditional: 1820, negative: 647, negative conditional: 0, negative unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 647, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 647, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 736, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47653618, positive: 47651151, positive conditional: 0, positive unconditional: 47651151, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2467, unknown conditional: 0, unknown unconditional: 2467] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2467, Positive conditional cache size: 0, Positive unconditional cache size: 2467, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 647, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 736, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2467, Positive conditional cache size: 0, Positive unconditional cache size: 2467, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 1982132 - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing SleepSetDelayReduction. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 25 procedures, 146 locations, 24 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 658767.2ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 655536.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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: 98.2ms SsaConstructionTime, 790.6ms SatisfiabilityAnalysisTime, 1854.9ms InterpolantComputationTime, 718 NumberOfCodeBlocks, 718 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 716 ConstructedInterpolants, 0 QuantifiedInterpolants, 5012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1708 ConjunctsInSsa, 579 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 328/2744 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 !SESSION 2021-06-30 14:39:06.397 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.11 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr23.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr23.bpl !ENTRY org.eclipse.osgi 4 0 2021-06-30 14:50:08.267 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bfe99ab1/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bfe99ab1/.metadata/.log.