/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 05:37:37,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 05:37:37,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 05:37:37,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-14 05:37:37,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-14 05:37:37,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-14 05:37:37,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-14 05:37:37,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-14 05:37:37,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-14 05:37:37,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-14 05:37:37,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-14 05:37:37,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-14 05:37:37,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 05:37:37,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 05:37:37,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 05:37:37,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 05:37:37,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 05:37:37,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 05:37:37,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 05:37:37,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 05:37:37,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 05:37:37,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 05:37:37,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 05:37:37,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 05:37:37,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 05:37:37,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 05:37:37,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 05:37:37,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 05:37:37,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 05:37:37,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 05:37:37,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 05:37:37,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 05:37:37,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 05:37:37,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 05:37:37,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 05:37:37,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 05:37:37,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 05:37:37,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 05:37:37,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 05:37:37,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 05:37:37,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 05:37:37,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 05:37:37,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 05:37:37,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 05:37:37,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 05:37:37,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 05:37:37,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 05:37:37,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 05:37:37,638 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 05:37:37,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 05:37:37,638 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 05:37:37,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 05:37:37,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 05:37:37,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 05:37:37,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 05:37:37,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 05:37:37,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 05:37:37,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 05:37:37,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 05:37:37,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 05:37:37,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 05:37:37,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 05:37:37,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 05:37:37,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 05:37:37,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 05:37:37,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 05:37:37,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 05:37:37,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 05:37:37,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 05:37:37,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 05:37:37,641 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 05:37:37,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 05:37:37,641 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 05:37:37,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 05:37:37,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 05:37:37,642 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 05:37:37,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 05:37:37,642 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 05:37:37,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 05:37:37,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 05:37:37,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 05:37:37,953 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 05:37:37,954 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 05:37:37,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl [2021-06-14 05:37:37,955 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl' [2021-06-14 05:37:37,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 05:37:37,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 05:37:37,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 05:37:37,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 05:37:37,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 05:37:37,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 05:37:38,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 05:37:38,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 05:37:38,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 05:37:38,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/1) ... [2021-06-14 05:37:38,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 05:37:38,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 05:37:38,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 05:37:38,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 05:37:38,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (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 [2021-06-14 05:37:38,093 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 05:37:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 05:37:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 05:37:38,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 05:37:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 05:37:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 05:37:38,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 05:37:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 05:37:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 05:37:38,095 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 05:37:38,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 05:37:38,255 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 05:37:38,257 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 05:37:38 BoogieIcfgContainer [2021-06-14 05:37:38,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 05:37:38,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 05:37:38,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 05:37:38,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 05:37:38,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:37:37" (1/2) ... [2021-06-14 05:37:38,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6633a400 and model type inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 05:37:38, skipping insertion in model container [2021-06-14 05:37:38,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 05:37:38" (2/2) ... [2021-06-14 05:37:38,263 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq-array.wvr.bpl [2021-06-14 05:37:38,267 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 05:37:38,268 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 05:37:38,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 05:37:38,285 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 05:37:38,324 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 05:37:38,342 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-06-14 05:37:38,417 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 05:37:38,417 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 05:37:38,418 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 05:37:38,418 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 05:37:38,418 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 05:37:38,418 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 05:37:38,418 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 05:37:38,418 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 05:37:38,473 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:37:38,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:37:38,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1018330480, now seen corresponding path program 1 times [2021-06-14 05:37:38,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:37:38,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000265847] [2021-06-14 05:37:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:37:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:37:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:37:38,699 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:37:38,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000265847] [2021-06-14 05:37:38,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000265847] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:37:38,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 05:37:38,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 05:37:38,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174889655] [2021-06-14 05:37:38,704 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 05:37:38,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:37:38,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 05:37:38,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 05:37:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:37:38,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:37:38,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-06-14 05:37:38,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:37:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:37:38,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 05:37:38,819 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:37:38,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:37:38,822 INFO L82 PathProgramCache]: Analyzing trace with hash 98178581, now seen corresponding path program 1 times [2021-06-14 05:37:38,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:37:38,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646400164] [2021-06-14 05:37:38,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:37:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:37:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-14 05:37:38,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:37:38,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646400164] [2021-06-14 05:37:38,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646400164] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:37:38,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 05:37:38,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 05:37:38,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042968969] [2021-06-14 05:37:38,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 05:37:38,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:37:38,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 05:37:38,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 05:37:38,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:37:38,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:37:38,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-06-14 05:37:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:37:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:37:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:37:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:37:38,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 05:37:38,946 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:37:38,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:37:38,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1469661750, now seen corresponding path program 1 times [2021-06-14 05:37:38,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:37:38,948 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935288971] [2021-06-14 05:37:38,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:37:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:37:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 05:37:39,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:37:39,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935288971] [2021-06-14 05:37:39,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935288971] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:37:39,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257069456] [2021-06-14 05:37:39,032 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 [2021-06-14 05:37:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:37:39,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-14 05:37:39,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:37:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-14 05:37:39,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257069456] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:37:39,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-14 05:37:39,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-06-14 05:37:39,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723780520] [2021-06-14 05:37:39,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 05:37:39,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:37:39,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 05:37:39,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-14 05:37:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:37:39,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:37:39,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-06-14 05:37:39,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:37:39,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:37:39,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:37:39,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:37:39,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:37:39,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:37:39,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:37:39,528 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:37:39,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:37:39,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1460307305, now seen corresponding path program 2 times [2021-06-14 05:37:39,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:37:39,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801368554] [2021-06-14 05:37:39,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:37:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:37:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 05:37:39,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:37:39,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801368554] [2021-06-14 05:37:39,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801368554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:37:39,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924316234] [2021-06-14 05:37:39,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:37:39,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:37:39,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:37:39,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-14 05:37:39,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:37:40,421 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:37:40,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-06-14 05:37:40,429 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:37:40,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:37:40,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-14 05:37:40,440 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:44, output treesize:30 [2021-06-14 05:37:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:37:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 05:37:40,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 05:37:40,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2021-06-14 05:37:40,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 05:37:40,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 05:37:40,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 05:37:40,509 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:5 [2021-06-14 05:37:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:37:40,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924316234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:37:40,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:37:40,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 22 [2021-06-14 05:37:40,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286845006] [2021-06-14 05:37:40,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 05:37:40,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:37:40,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 05:37:40,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2021-06-14 05:37:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:37:40,529 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:37:40,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 22 states have internal predecessors, (48), 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) [2021-06-14 05:37:40,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:37:40,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:37:40,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:37:40,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:37:41,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 05:37:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:37:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:37:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:37:41,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:37:41,414 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 05:37:41,416 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 05:37:41 BasicIcfg [2021-06-14 05:37:41,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 05:37:41,417 INFO L168 Benchmark]: Toolchain (without parser) took 3432.57 ms. Allocated memory was 186.6 MB in the beginning and 232.8 MB in the end (delta: 46.1 MB). Free memory was 166.7 MB in the beginning and 157.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 55.7 MB. Max. memory is 8.0 GB. [2021-06-14 05:37:41,417 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 186.6 MB. Free memory is still 167.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 05:37:41,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.30 ms. Allocated memory is still 186.6 MB. Free memory was 166.6 MB in the beginning and 165.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 05:37:41,417 INFO L168 Benchmark]: Boogie Preprocessor took 14.38 ms. Allocated memory is still 186.6 MB. Free memory was 165.2 MB in the beginning and 164.3 MB in the end (delta: 918.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 05:37:41,417 INFO L168 Benchmark]: RCFGBuilder took 230.33 ms. Allocated memory is still 186.6 MB. Free memory was 164.2 MB in the beginning and 151.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-14 05:37:41,417 INFO L168 Benchmark]: TraceAbstraction took 3157.86 ms. Allocated memory was 186.6 MB in the beginning and 232.8 MB in the end (delta: 46.1 MB). Free memory was 150.7 MB in the beginning and 157.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 39.9 MB. Max. memory is 8.0 GB. [2021-06-14 05:37:41,418 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 186.6 MB. Free memory is still 167.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.30 ms. Allocated memory is still 186.6 MB. Free memory was 166.6 MB in the beginning and 165.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.38 ms. Allocated memory is still 186.6 MB. Free memory was 165.2 MB in the beginning and 164.3 MB in the end (delta: 918.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 230.33 ms. Allocated memory is still 186.6 MB. Free memory was 164.2 MB in the beginning and 151.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3157.86 ms. Allocated memory was 186.6 MB in the beginning and 232.8 MB in the end (delta: 46.1 MB). Free memory was 150.7 MB in the beginning and 157.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 39.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 609, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 141, negative conditional: 141, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 484, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 484, positive: 444, positive conditional: 0, positive unconditional: 444, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 85, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 45, positive conditional: 9, positive unconditional: 36, negative: 52, negative conditional: 43, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 484, positive: 362, positive conditional: 0, positive unconditional: 362, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 85, Positive conditional cache size: 3, Positive unconditional cache size: 82, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 109, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 85, negative conditional: 63, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 85, negative conditional: 63, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 45, positive conditional: 9, positive unconditional: 36, negative: 52, negative conditional: 43, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 109, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 74, negative conditional: 52, negative unconditional: 22, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 85, Positive conditional cache size: 3, Positive unconditional cache size: 82, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 22, SemanticConditionEliminator.Independence Queries: [ total: 109, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 85, negative conditional: 63, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 85, negative conditional: 63, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 45, positive conditional: 9, positive unconditional: 36, negative: 52, negative conditional: 43, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 109, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 74, negative conditional: 52, negative unconditional: 22, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 85, Positive conditional cache size: 3, Positive unconditional cache size: 82, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 22, SemanticConditionEliminator.Independence Queries: [ total: 109, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 85, negative conditional: 63, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 85, negative conditional: 63, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 45, positive conditional: 9, positive unconditional: 36, negative: 52, negative conditional: 43, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 109, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 74, negative conditional: 52, negative unconditional: 22, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 85, Positive conditional cache size: 3, Positive unconditional cache size: 82, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 22, SemanticConditionEliminator.Independence Queries: [ total: 109, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 85, negative conditional: 63, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 85, negative conditional: 63, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 45, positive conditional: 9, positive unconditional: 36, negative: 52, negative conditional: 43, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 109, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 74, negative conditional: 52, negative unconditional: 22, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 85, Positive conditional cache size: 3, Positive unconditional cache size: 82, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 22 ], Maximal queried relation: 4, Independence queries for same thread: 125 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3054.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.0ms, PartialOrderReductionTime: 939.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, 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: 27.4ms SsaConstructionTime, 116.9ms SatisfiabilityAnalysisTime, 1250.4ms InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 155 ConstructedInterpolants, 10 QuantifiedInterpolants, 935 SizeOfPredicates, 11 NumberOfNonLiveVariables, 127 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 24/50 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...