/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 04:06:23,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 04:06:23,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 04:06:23,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 04:06:23,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 04:06:23,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 04:06:23,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 04:06:23,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 04:06:23,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 04:06:23,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 04:06:23,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 04:06:23,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 04:06:23,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 04:06:23,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 04:06:23,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 04:06:23,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 04:06:23,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 04:06:23,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 04:06:23,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 04:06:23,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 04:06:23,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 04:06:23,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 04:06:23,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 04:06:23,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 04:06:23,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 04:06:23,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 04:06:23,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 04:06:23,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 04:06:23,429 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-Persistent-NoLbe.epf [2021-06-17 04:06:23,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 04:06:23,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 04:06:23,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 04:06:23,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 04:06:23,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 04:06:23,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 04:06:23,461 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 04:06:23,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 04:06:23,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 04:06:23,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 04:06:23,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 04:06:23,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 04:06:23,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 04:06:23,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 04:06:23,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 04:06:23,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 04:06:23,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 04:06:23,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 04:06:23,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 04:06:23,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 04:06:23,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 04:06:23,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 04:06:23,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 04:06:23,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 04:06:23,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 04:06:23,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 04:06:23,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 04:06:23,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 04:06:23,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 04:06:23,482 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 04:06:23,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 04:06:23,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 04:06:23,482 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-17 04:06:23,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 04:06:23,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 04:06:23,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 04:06:23,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 04:06:23,787 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 04:06:23,788 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 04:06:23,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-06-17 04:06:23,788 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-06-17 04:06:23,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 04:06:23,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 04:06:23,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 04:06:23,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 04:06:23,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 04:06:23,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 04:06:23,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 04:06:23,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 04:06:23,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 04:06:23,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/1) ... [2021-06-17 04:06:23,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 04:06:23,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 04:06:23,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 04:06:23,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 04:06:23,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (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 [2021-06-17 04:06:24,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 04:06:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 04:06:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 04:06:24,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 04:06:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 04:06:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 04:06:24,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 04:06:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 04:06:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 04:06:24,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 04:06:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 04:06:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 04:06:24,025 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 04:06:24,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 04:06:24,296 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 04:06:24,298 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 04:06:24 BoogieIcfgContainer [2021-06-17 04:06:24,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 04:06:24,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 04:06:24,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 04:06:24,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 04:06:24,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:06:23" (1/2) ... [2021-06-17 04:06:24,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a68ca20 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 04:06:24, skipping insertion in model container [2021-06-17 04:06:24,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 04:06:24" (2/2) ... [2021-06-17 04:06:24,305 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-06-17 04:06:24,318 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 04:06:24,318 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 04:06:24,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 04:06:24,319 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 04:06:24,391 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 04:06:24,422 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-06-17 04:06:24,531 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 04:06:24,532 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 04:06:24,532 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 04:06:24,532 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 04:06:24,532 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 04:06:24,532 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 04:06:24,532 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 04:06:24,532 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 04:06:24,622 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:24,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1413799308, now seen corresponding path program 1 times [2021-06-17 04:06:24,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:24,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114060262] [2021-06-17 04:06:24,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 04:06:24,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:24,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114060262] [2021-06-17 04:06:24,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114060262] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 04:06:24,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 04:06:24,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 04:06:24,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390926423] [2021-06-17 04:06:24,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 04:06:24,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:24,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 04:06:24,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 04:06:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:24,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:24,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-06-17 04:06:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:24,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 04:06:24,886 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:24,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:24,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1703614244, now seen corresponding path program 1 times [2021-06-17 04:06:24,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:24,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30448984] [2021-06-17 04:06:24,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:25,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:25,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30448984] [2021-06-17 04:06:25,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30448984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:25,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986329647] [2021-06-17 04:06:25,191 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 [2021-06-17 04:06:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:25,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 04:06:25,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:25,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:25,531 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-17 04:06:25,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 04:06:25,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:06:25,544 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 04:06:25,544 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-06-17 04:06:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:25,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986329647] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:25,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:06:25,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 04:06:25,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873557828] [2021-06-17 04:06:25,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 04:06:25,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:25,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 04:06:25,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-17 04:06:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:25,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:25,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-06-17 04:06:25,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:25,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:25,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:25,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:25,933 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:25,933 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:25,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:25,934 INFO L82 PathProgramCache]: Analyzing trace with hash 2144090848, now seen corresponding path program 2 times [2021-06-17 04:06:25,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:25,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871727261] [2021-06-17 04:06:25,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:25,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:25,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871727261] [2021-06-17 04:06:25,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871727261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:25,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952193318] [2021-06-17 04:06:25,991 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 [2021-06-17 04:06:26,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 04:06:26,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:06:26,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 04:06:26,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 04:06:26,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952193318] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:26,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:06:26,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-06-17 04:06:26,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533834752] [2021-06-17 04:06:26,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 04:06:26,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:26,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 04:06:26,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-06-17 04:06:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:26,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:26,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 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) [2021-06-17 04:06:26,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:26,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:26,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:26,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:26,531 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:26,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:26,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1700110510, now seen corresponding path program 3 times [2021-06-17 04:06:26,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:26,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340763011] [2021-06-17 04:06:26,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:27,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:27,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340763011] [2021-06-17 04:06:27,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340763011] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:27,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324303251] [2021-06-17 04:06:27,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:27,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 04:06:27,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:06:27,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-17 04:06:27,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:27,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:27,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:27,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:27,684 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:06:27,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 29 treesize of output 63 [2021-06-17 04:06:27,721 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 04:06:27,781 INFO L628 ElimStorePlain]: treesize reduction 121, result has 30.5 percent of original size [2021-06-17 04:06:27,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 04:06:27,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:108 [2021-06-17 04:06:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:27,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324303251] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:27,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:06:27,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 25 [2021-06-17 04:06:27,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719829674] [2021-06-17 04:06:27,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-17 04:06:27,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:27,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-17 04:06:27,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2021-06-17 04:06:27,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:27,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:27,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.0) internal successors, (52), 25 states have internal predecessors, (52), 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) [2021-06-17 04:06:27,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:27,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:27,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:27,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:28,407 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-06-17 04:06:28,562 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-06-17 04:06:29,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:29,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:29,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:29,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:29,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:29,522 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:29,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:29,522 INFO L82 PathProgramCache]: Analyzing trace with hash -927561866, now seen corresponding path program 4 times [2021-06-17 04:06:29,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:29,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974577865] [2021-06-17 04:06:29,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:29,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:29,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974577865] [2021-06-17 04:06:29,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974577865] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:29,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184364640] [2021-06-17 04:06:29,612 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:29,653 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 04:06:29,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:06:29,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 04:06:29,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:29,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184364640] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:29,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:06:29,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 21 [2021-06-17 04:06:29,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098091328] [2021-06-17 04:06:29,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 04:06:29,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:29,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 04:06:29,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-06-17 04:06:29,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:29,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:29,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 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) [2021-06-17 04:06:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:30,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:30,188 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:30,189 INFO L82 PathProgramCache]: Analyzing trace with hash 717389002, now seen corresponding path program 5 times [2021-06-17 04:06:30,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:30,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383516497] [2021-06-17 04:06:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:30,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:30,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383516497] [2021-06-17 04:06:30,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383516497] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:30,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668650360] [2021-06-17 04:06:30,923 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:30,962 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 04:06:30,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:06:30,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-17 04:06:30,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:36,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:36,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:36,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:36,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:36,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2021-06-17 04:06:36,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 04:06:36,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:06:36,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 04:06:36,976 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:78, output treesize:12 [2021-06-17 04:06:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:37,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668650360] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:37,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:06:37,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-17 04:06:37,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921656908] [2021-06-17 04:06:37,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 04:06:37,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:37,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 04:06:37,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=840, Unknown=2, NotChecked=0, Total=930 [2021-06-17 04:06:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:37,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:37,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 30 states have internal predecessors, (68), 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) [2021-06-17 04:06:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:45,966 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-06-17 04:06:46,234 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-06-17 04:06:46,565 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2021-06-17 04:06:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:47,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:06:47,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:47,783 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:47,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:47,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1776896530, now seen corresponding path program 6 times [2021-06-17 04:06:47,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:47,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285011762] [2021-06-17 04:06:47,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:47,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:47,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285011762] [2021-06-17 04:06:47,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285011762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:47,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237121854] [2021-06-17 04:06:47,950 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:47,992 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-17 04:06:47,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:06:47,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 04:06:47,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:48,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237121854] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:48,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:06:48,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 27 [2021-06-17 04:06:48,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704092137] [2021-06-17 04:06:48,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 04:06:48,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:48,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 04:06:48,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2021-06-17 04:06:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:48,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:48,268 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 27 states have internal predecessors, (65), 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) [2021-06-17 04:06:48,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:48,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:48,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:48,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:48,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:48,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:06:48,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:48,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:06:48,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:48,778 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:48,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:48,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1424466498, now seen corresponding path program 7 times [2021-06-17 04:06:48,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:48,780 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719793152] [2021-06-17 04:06:48,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:50,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:50,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719793152] [2021-06-17 04:06:50,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719793152] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:50,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355034945] [2021-06-17 04:06:50,112 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:50,151 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-17 04:06:50,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:50,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:50,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:50,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:50,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:50,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:50,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:50,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:50,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:50,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 21 [2021-06-17 04:06:50,956 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 04:06:50,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:06:50,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 04:06:50,965 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:7 [2021-06-17 04:06:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:50,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355034945] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:50,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:06:50,996 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 36 [2021-06-17 04:06:50,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656461351] [2021-06-17 04:06:50,996 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 04:06:50,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:50,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 04:06:50,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1190, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 04:06:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:50,997 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:50,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 36 states have internal predecessors, (83), 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) [2021-06-17 04:06:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:06:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:06:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:52,055 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2021-06-17 04:06:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:06:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:06:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 04:06:52,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-17 04:06:52,937 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:52,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:52,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1985975194, now seen corresponding path program 8 times [2021-06-17 04:06:52,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:52,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339254043] [2021-06-17 04:06:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 49 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:53,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:53,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339254043] [2021-06-17 04:06:53,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339254043] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:53,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898570823] [2021-06-17 04:06:53,169 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:53,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 04:06:53,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:06:53,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-17 04:06:53,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:53,544 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:53,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898570823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:53,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:06:53,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 33 [2021-06-17 04:06:53,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239033686] [2021-06-17 04:06:53,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-17 04:06:53,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:06:53,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-17 04:06:53,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=843, Unknown=0, NotChecked=0, Total=1056 [2021-06-17 04:06:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:53,546 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:06:53,546 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.3333333333333335) internal successors, (77), 33 states have internal predecessors, (77), 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) [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 04:06:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:06:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:06:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:06:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:06:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:06:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:06:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:06:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:06:53,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 04:06:53,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 04:06:54,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:54,184 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:06:54,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:06:54,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1131294790, now seen corresponding path program 9 times [2021-06-17 04:06:54,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:06:54,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319264907] [2021-06-17 04:06:54,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:06:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:06:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 36 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:06:55,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:06:55,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319264907] [2021-06-17 04:06:55,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319264907] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:06:55,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098514451] [2021-06-17 04:06:55,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:06:55,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-17 04:06:55,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:06:55,725 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 84 conjunts are in the unsatisfiable core [2021-06-17 04:06:55,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:06:57,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:57,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:57,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:06:58,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:06:58,506 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2021-06-17 04:06:58,506 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:06:58,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 91 treesize of output 565 [2021-06-17 04:06:58,802 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 377 [2021-06-17 04:07:00,700 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1769 DAG size of output: 1461 [2021-06-17 04:07:02,583 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1797 DAG size of output: 1489 [2021-06-17 04:07:25,644 WARN L205 SmtUtils]: Spent 22.04 s on a formula simplification. DAG size of input: 9286 DAG size of output: 6821 [2021-06-17 04:07:49,613 WARN L205 SmtUtils]: Spent 23.77 s on a formula simplification. DAG size of input: 9311 DAG size of output: 6846 [2021-06-17 04:12:06,850 WARN L205 SmtUtils]: Spent 4.19 m on a formula simplification. DAG size of input: 49399 DAG size of output: 35971 [2021-06-17 04:16:25,697 WARN L205 SmtUtils]: Spent 4.30 m on a formula simplification. DAG size of input: 49411 DAG size of output: 35980 [2021-06-17 04:20:04,338 WARN L205 SmtUtils]: Spent 3.64 m on a formula simplification. DAG size of input: 34104 DAG size of output: 34071 [2021-06-17 04:20:48,970 WARN L205 SmtUtils]: Spent 44.51 s on a formula simplification. DAG size of input: 6342 DAG size of output: 7304 Received shutdown request... [2021-06-17 04:21:07,182 WARN L205 SmtUtils]: Spent 18.16 s on a formula simplification. DAG size of input: 6152 DAG size of output: 6152 [2021-06-17 04:21:07,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:21:07,453 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-17 04:21:07,467 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 04:21:07,468 WARN L196 ceAbstractionStarter]: Timeout [2021-06-17 04:21:07,468 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 04:21:07 BasicIcfg [2021-06-17 04:21:07,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 04:21:07,469 INFO L168 Benchmark]: Toolchain (without parser) took 883654.20 ms. Allocated memory was 207.6 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 187.5 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-06-17 04:21:07,469 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 207.6 MB. Free memory is still 188.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 04:21:07,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.76 ms. Allocated memory is still 207.6 MB. Free memory was 187.5 MB in the beginning and 186.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 04:21:07,469 INFO L168 Benchmark]: Boogie Preprocessor took 14.56 ms. Allocated memory is still 207.6 MB. Free memory was 186.1 MB in the beginning and 185.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 04:21:07,469 INFO L168 Benchmark]: RCFGBuilder took 442.31 ms. Allocated memory is still 207.6 MB. Free memory was 185.0 MB in the beginning and 171.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-17 04:21:07,469 INFO L168 Benchmark]: TraceAbstraction took 883169.24 ms. Allocated memory was 207.6 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 171.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-06-17 04:21:07,470 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 207.6 MB. Free memory is still 188.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.76 ms. Allocated memory is still 207.6 MB. Free memory was 187.5 MB in the beginning and 186.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.56 ms. Allocated memory is still 207.6 MB. Free memory was 186.1 MB in the beginning and 185.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 442.31 ms. Allocated memory is still 207.6 MB. Free memory was 185.0 MB in the beginning and 171.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 883169.24 ms. Allocated memory was 207.6 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 171.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 328, positive: 328, positive conditional: 0, positive unconditional: 328, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 328, positive: 328, positive conditional: 0, positive unconditional: 328, 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: 328, positive: 328, positive conditional: 0, positive unconditional: 328, 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: 247, positive: 247, positive conditional: 0, positive unconditional: 247, 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: 247, positive: 247, positive conditional: 0, positive unconditional: 247, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] ], Cache Queries: [ total: 328, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 247, unknown conditional: 0, unknown unconditional: 247] , Statistics on independence cache: Total cache size (in pairs): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, 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: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 110, Number of persistent set computation: 538, Number of trivial persistent sets: 527, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 328, positive: 328, positive conditional: 0, positive unconditional: 328, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 328, positive: 328, positive conditional: 0, positive unconditional: 328, 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: 328, positive: 328, positive conditional: 0, positive unconditional: 328, 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: 247, positive: 247, positive conditional: 0, positive unconditional: 247, 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: 247, positive: 247, positive conditional: 0, positive unconditional: 247, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] ], Cache Queries: [ total: 328, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 247, unknown conditional: 0, unknown unconditional: 247] , Statistics on independence cache: Total cache size (in pairs): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 247, Positive cache size: 247, Positive conditional cache size: 0, Positive unconditional cache size: 247, 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: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 9,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 883013.7ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 14979.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 152, 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: 62.2ms SsaConstructionTime, 240.1ms SatisfiabilityAnalysisTime, 12279.1ms InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 593 ConstructedInterpolants, 34 QuantifiedInterpolants, 11533 SizeOfPredicates, 41 NumberOfNonLiveVariables, 759 ConjunctsInSsa, 228 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 225/900 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