/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 06:14:59,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 06:14:59,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 06:14:59,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 06:14:59,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 06:14:59,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 06:14:59,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 06:14:59,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 06:14:59,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 06:14:59,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 06:14:59,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 06:14:59,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 06:14:59,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 06:14:59,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 06:14:59,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 06:14:59,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 06:14:59,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 06:14:59,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 06:14:59,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 06:14:59,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 06:14:59,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 06:14:59,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 06:14:59,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 06:14:59,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 06:14:59,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 06:14:59,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 06:14:59,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 06:14:59,144 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 06:14:59,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 06:14:59,144 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 06:14:59,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 06:14:59,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 06:14:59,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 06:14:59,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 06:14:59,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 06:14:59,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 06:14:59,146 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 06:14:59,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 06:14:59,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 06:14:59,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 06:14:59,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 06:14:59,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 06:14:59,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 06:14:59,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 06:14:59,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 06:14:59,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 06:14:59,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 06:14:59,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 06:14:59,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 06:14:59,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 06:14:59,148 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 06:14:59,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 06:14:59,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 06:14:59,148 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 06:14:59,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 06:14:59,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 06:14:59,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 06:14:59,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 06:14:59,462 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 06:14:59,464 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 06:14:59,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-06-06 06:14:59,465 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-06-06 06:14:59,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 06:14:59,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 06:14:59,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 06:14:59,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 06:14:59,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 06:14:59,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 06:14:59,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 06:14:59,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 06:14:59,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 06:14:59,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/1) ... [2021-06-06 06:14:59,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 06:14:59,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 06:14:59,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 06:14:59,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 06:14:59,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (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 [2021-06-06 06:14:59,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 06:14:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 06:14:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 06:14:59,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 06:14:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 06:14:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 06:14:59,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 06:14:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 06:14:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 06:14:59,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 06:14:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 06:14:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 06:14:59,614 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 06:14:59,866 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 06:14:59,866 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 06:14:59,868 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:14:59 BoogieIcfgContainer [2021-06-06 06:14:59,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 06:14:59,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 06:14:59,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 06:14:59,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 06:14:59,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:14:59" (1/2) ... [2021-06-06 06:14:59,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1501de and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:14:59, skipping insertion in model container [2021-06-06 06:14:59,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:14:59" (2/2) ... [2021-06-06 06:14:59,889 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-06-06 06:14:59,894 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 06:14:59,894 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 06:14:59,894 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 06:14:59,895 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 06:14:59,962 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 06:15:00,004 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 [2021-06-06 06:15:00,082 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 06:15:00,082 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 06:15:00,083 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 06:15:00,083 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 06:15:00,083 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 06:15:00,083 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 06:15:00,083 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 06:15:00,083 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 06:15:00,146 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:00,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:00,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 06:15:00,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:00,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919629705] [2021-06-06 06:15:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:00,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:00,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919629705] [2021-06-06 06:15:00,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919629705] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:15:00,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 06:15:00,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 06:15:00,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677242484] [2021-06-06 06:15:00,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 06:15:00,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:00,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 06:15:00,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 06:15:00,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:00,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:00,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-06-06 06:15:00,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:00,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:00,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 06:15:00,416 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:00,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:00,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 06:15:00,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:00,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357513393] [2021-06-06 06:15:00,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 06:15:00,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:00,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357513393] [2021-06-06 06:15:00,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357513393] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:15:00,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 06:15:00,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 06:15:00,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851658821] [2021-06-06 06:15:00,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 06:15:00,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:00,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 06:15:00,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 06:15:00,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:00,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:00,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-06-06 06:15:00,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:00,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:00,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:00,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 06:15:00,502 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:00,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:00,503 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 06:15:00,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:00,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118324244] [2021-06-06 06:15:00,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:00,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:00,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118324244] [2021-06-06 06:15:00,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118324244] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:00,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626386883] [2021-06-06 06:15:00,850 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 [2021-06-06 06:15:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:00,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 06:15:00,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:15:01,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:15:01,195 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 [2021-06-06 06:15:01,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:15:01,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:15:01,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 06:15:01,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-06-06 06:15:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:01,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626386883] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:01,242 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:15:01,242 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 06:15:01,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593158154] [2021-06-06 06:15:01,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 06:15:01,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:01,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 06:15:01,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 06:15:01,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:01,244 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:01,244 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) [2021-06-06 06:15:01,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:01,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:01,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:01,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:15:01,613 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:01,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:01,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 06:15:01,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:01,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337000108] [2021-06-06 06:15:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:01,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:01,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337000108] [2021-06-06 06:15:01,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337000108] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:01,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139244221] [2021-06-06 06:15:01,684 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 [2021-06-06 06:15:01,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:15:01,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:15:01,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 06:15:01,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:15:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:01,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139244221] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:01,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:15:01,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 06:15:01,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52154433] [2021-06-06 06:15:01,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 06:15:01,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:01,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 06:15:01,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 06:15:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:01,910 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:01,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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) [2021-06-06 06:15:01,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:01,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:01,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:01,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:02,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:15:02,345 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:02,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:02,345 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 06:15:02,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:02,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124537085] [2021-06-06 06:15:02,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 06:15:02,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:02,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124537085] [2021-06-06 06:15:02,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124537085] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:02,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014174766] [2021-06-06 06:15:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-06 06:15:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:02,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 06:15:02,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:15:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 06:15:02,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014174766] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:02,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:15:02,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 06:15:02,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752616227] [2021-06-06 06:15:02,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 06:15:02,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:02,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 06:15:02,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 06:15:02,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:02,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:02,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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) [2021-06-06 06:15:02,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:02,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:02,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:02,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:02,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:02,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:02,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:02,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:02,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:02,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:02,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:15:02,917 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:02,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:02,918 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 06:15:02,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:02,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403410255] [2021-06-06 06:15:02,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:03,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:03,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403410255] [2021-06-06 06:15:03,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403410255] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:03,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606147094] [2021-06-06 06:15:03,336 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 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 [2021-06-06 06:15:03,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:15:03,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:15:03,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-06 06:15:03,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:15:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:15:04,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:15:04,166 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:15:04,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 29 treesize of output 85 [2021-06-06 06:15:04,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 06:15:05,170 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 63 [2021-06-06 06:15:05,172 INFO L628 ElimStorePlain]: treesize reduction 707, result has 15.6 percent of original size [2021-06-06 06:15:05,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-06 06:15:05,359 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:52, output treesize:299 [2021-06-06 06:15:05,736 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2021-06-06 06:15:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:05,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606147094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:05,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:15:05,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 06:15:05,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264498775] [2021-06-06 06:15:05,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 06:15:05,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:05,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 06:15:05,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-06-06 06:15:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:05,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:05,791 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) 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) [2021-06-06 06:15:05,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:05,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:05,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:05,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:05,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:05,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:07,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:07,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:07,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:07,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:07,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:07,277 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 06:15:07,277 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:07,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:07,278 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 06:15:07,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:07,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493562212] [2021-06-06 06:15:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:07,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:07,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493562212] [2021-06-06 06:15:07,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493562212] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:07,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510554490] [2021-06-06 06:15:07,365 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 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 [2021-06-06 06:15:07,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 06:15:07,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:15:07,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 06:15:07,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:15:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:07,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510554490] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:07,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:15:07,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 06:15:07,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692761801] [2021-06-06 06:15:07,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 06:15:07,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:07,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 06:15:07,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 06:15:07,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:07,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:07,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 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) [2021-06-06 06:15:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:07,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:15:08,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:15:08,222 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:08,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:08,223 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 06:15:08,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:08,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080938151] [2021-06-06 06:15:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:08,304 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 06:15:08,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:08,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080938151] [2021-06-06 06:15:08,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080938151] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:08,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633320439] [2021-06-06 06:15:08,305 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 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 [2021-06-06 06:15:08,336 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:15:08,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:15:08,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 06:15:08,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:15:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 06:15:08,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633320439] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:08,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:15:08,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 06:15:08,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051124618] [2021-06-06 06:15:08,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 06:15:08,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:08,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 06:15:08,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 06:15:08,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:08,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:08,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:15:08,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:08,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:08,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:08,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:08,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:08,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:08,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:15:08,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:08,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:08,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:08,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:15:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:08,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:15:08,828 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:08,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 06:15:08,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:08,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050868494] [2021-06-06 06:15:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:09,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:09,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050868494] [2021-06-06 06:15:09,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050868494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:09,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498883631] [2021-06-06 06:15:09,376 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 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 [2021-06-06 06:15:09,419 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 06:15:09,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:15:09,420 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 06:15:09,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:15:10,251 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-06-06 06:15:10,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 121 treesize of output 73 [2021-06-06 06:15:10,254 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:15:10,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:15:10,264 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 06:15:10,264 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-06-06 06:15:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:10,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498883631] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:10,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:15:10,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-06 06:15:10,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671287972] [2021-06-06 06:15:10,295 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 06:15:10,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:15:10,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 06:15:10,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-06-06 06:15:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:10,296 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:15:10,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 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) [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:10,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:15:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:15:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:15:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:15:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:15:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:15:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:15:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:15:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:15:11,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-06-06 06:15:11,981 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:15:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:15:11,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1074181556, now seen corresponding path program 6 times [2021-06-06 06:15:11,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:15:11,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475976354] [2021-06-06 06:15:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:15:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:15:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:15:12,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:15:12,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475976354] [2021-06-06 06:15:12,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475976354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:15:12,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552398474] [2021-06-06 06:15:12,656 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 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 [2021-06-06 06:15:12,705 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 06:15:12,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:15:12,706 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-06 06:15:12,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:16:01,447 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 129 DAG size of output: 61 [2021-06-06 06:16:01,447 INFO L354 Elim1Store]: treesize reduction 133, result has 40.9 percent of original size [2021-06-06 06:16:01,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 28 case distinctions, treesize of input 192 treesize of output 191 [2021-06-06 06:16:01,920 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:16:04,974 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 225 DAG size of output: 51 [2021-06-06 06:16:04,975 INFO L628 ElimStorePlain]: treesize reduction 1200, result has 6.9 percent of original size [2021-06-06 06:16:05,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 06:16:05,097 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:208, output treesize:245 [2021-06-06 06:16:07,099 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2021-06-06 06:16:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:16:07,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552398474] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:16:07,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:16:07,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 38 [2021-06-06 06:16:07,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226200980] [2021-06-06 06:16:07,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 06:16:07,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:16:07,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 06:16:07,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1273, Unknown=19, NotChecked=0, Total=1406 [2021-06-06 06:16:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:16:07,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:16:07,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.0) internal successors, (76), 38 states have internal predecessors, (76), 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) [2021-06-06 06:16:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:16:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:16:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:16:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:16:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:16:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:16:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:16:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:16:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:16:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:16:14,992 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2021-06-06 06:16:24,787 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-06-06 06:16:34,402 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-06-06 06:16:37,408 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2021-06-06 06:16:47,181 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-06-06 06:16:52,487 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2021-06-06 06:17:02,519 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-06-06 06:17:08,471 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-06-06 06:17:14,007 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-06-06 06:17:21,226 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-06 06:17:28,675 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2021-06-06 06:17:42,967 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-06-06 06:17:54,892 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2021-06-06 06:18:14,764 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2021-06-06 06:18:22,694 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-06-06 06:18:26,271 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-06-06 06:18:26,920 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-06-06 06:18:29,838 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-06-06 06:18:44,003 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-06-06 06:18:51,240 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-06 06:18:59,386 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-06-06 06:19:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:19:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:19:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:19:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:19:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:19:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:19:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:19:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:19:11,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-06 06:19:11,357 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:19:11,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:19:11,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1346475788, now seen corresponding path program 7 times [2021-06-06 06:19:11,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:19:11,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897103358] [2021-06-06 06:19:11,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:19:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:19:11,682 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-06-06 06:19:11,950 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2021-06-06 06:19:12,155 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-06-06 06:19:12,383 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-06-06 06:19:12,634 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-06-06 06:19:12,919 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-06-06 06:19:13,770 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2021-06-06 06:19:14,135 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-06-06 06:19:14,478 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-06-06 06:19:14,784 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-06-06 06:19:15,108 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-06-06 06:19:15,438 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-06-06 06:19:15,786 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-06-06 06:19:16,324 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2021-06-06 06:19:16,916 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2021-06-06 06:19:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:19:17,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:19:17,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897103358] [2021-06-06 06:19:17,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897103358] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:19:17,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142066173] [2021-06-06 06:19:17,872 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 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 [2021-06-06 06:19:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:19:17,912 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-06 06:19:17,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:19:18,825 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-06-06 06:19:19,380 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-06 06:19:20,388 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-06-06 06:19:20,912 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-06-06 06:19:21,526 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-06-06 06:19:22,061 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-06 06:19:22,632 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-06 06:19:23,244 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-06-06 06:19:24,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:19:24,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:19:24,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:19:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:19:24,639 INFO L244 Elim1Store]: Index analysis took 221 ms [2021-06-06 06:19:24,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 34 [2021-06-06 06:19:24,642 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:19:24,776 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-06-06 06:19:24,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:19:24,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 06:19:24,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:100, output treesize:11 [2021-06-06 06:19:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:19:25,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142066173] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:19:25,070 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:19:25,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 31 [2021-06-06 06:19:25,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844210132] [2021-06-06 06:19:25,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 06:19:25,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:19:25,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 06:19:25,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-06-06 06:19:25,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:19:25,072 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:19:25,072 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 31 states have internal predecessors, (71), 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) [2021-06-06 06:19:25,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:19:25,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:19:25,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:19:31,550 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:19:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:19:33,489 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:19:33,490 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:19:33,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:19:33,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1331595118, now seen corresponding path program 8 times [2021-06-06 06:19:33,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:19:33,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084577607] [2021-06-06 06:19:33,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:19:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:19:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 36 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:19:35,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:19:35,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084577607] [2021-06-06 06:19:35,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084577607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:19:35,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608036464] [2021-06-06 06:19:35,724 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:19:35,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:19:35,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:19:35,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 06:19:35,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:19:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 49 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:19:40,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608036464] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:19:40,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:19:40,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 35 [2021-06-06 06:19:40,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347894667] [2021-06-06 06:19:40,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-06 06:19:40,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:19:40,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-06 06:19:40,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2021-06-06 06:19:40,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:19:40,144 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:19:40,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 35 states have internal predecessors, (81), 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) [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:40,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:19:40,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:19:40,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:19:40,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:19:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:19:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:19:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:19:56,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable109 [2021-06-06 06:19:56,674 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:19:56,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:19:56,674 INFO L82 PathProgramCache]: Analyzing trace with hash -68422408, now seen corresponding path program 9 times [2021-06-06 06:19:56,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:19:56,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566021090] [2021-06-06 06:19:56,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:19:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:19:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 53 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:19:59,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:19:59,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566021090] [2021-06-06 06:19:59,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566021090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:19:59,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63045786] [2021-06-06 06:19:59,052 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:19:59,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 06:19:59,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:19:59,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 06:19:59,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:20:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 53 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:20:04,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63045786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:20:04,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:20:04,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-06-06 06:20:04,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068294466] [2021-06-06 06:20:04,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 06:20:04,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:20:04,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 06:20:04,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 06:20:04,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:20:04,160 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:20:04,161 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.275) internal successors, (91), 40 states have internal predecessors, (91), 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) [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:04,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:20:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:20:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:20:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:20:07,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:20:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:20:07,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:20:07,737 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:20:07,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:20:07,737 INFO L82 PathProgramCache]: Analyzing trace with hash -292780394, now seen corresponding path program 10 times [2021-06-06 06:20:07,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:20:07,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422994491] [2021-06-06 06:20:07,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:20:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:20:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 53 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:20:10,345 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:20:10,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422994491] [2021-06-06 06:20:10,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422994491] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:20:10,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404042794] [2021-06-06 06:20:10,346 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:20:10,384 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:20:10,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:20:10,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 06:20:10,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:20:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 53 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:20:15,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404042794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:20:15,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:20:15,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 42 [2021-06-06 06:20:15,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521811597] [2021-06-06 06:20:15,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-06 06:20:15,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:20:15,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-06 06:20:15,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1390, Unknown=0, NotChecked=0, Total=1722 [2021-06-06 06:20:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:20:15,873 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:20:15,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 2.261904761904762) internal successors, (95), 42 states have internal predecessors, (95), 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) [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:20:15,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:20:15,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:15,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:20:15,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:20:15,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:20:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:20:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:20:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:20:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:20:19,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:20:19,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-06-06 06:20:19,646 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:20:19,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:20:19,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1152440140, now seen corresponding path program 11 times [2021-06-06 06:20:19,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:20:19,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722043623] [2021-06-06 06:20:19,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:20:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:20:20,058 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-06-06 06:20:20,387 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2021-06-06 06:20:20,608 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-06-06 06:20:20,843 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-06-06 06:20:21,107 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-06-06 06:20:21,395 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-06-06 06:20:21,725 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-06-06 06:20:22,063 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-06-06 06:20:22,430 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-06 06:20:23,371 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-06 06:20:23,807 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-06-06 06:20:24,214 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-06-06 06:20:24,623 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-06 06:20:25,017 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-06-06 06:20:25,472 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-06 06:20:25,874 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-06-06 06:20:26,297 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-06-06 06:20:26,713 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-06-06 06:20:27,141 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-06-06 06:20:27,772 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-06-06 06:20:28,434 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-06-06 06:20:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:20:29,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:20:29,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722043623] [2021-06-06 06:20:29,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722043623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:20:29,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258845861] [2021-06-06 06:20:29,709 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:20:29,768 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 06:20:29,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:20:29,770 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-06-06 06:20:29,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:20:31,298 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-06-06 06:20:31,969 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-06 06:20:32,566 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-06-06 06:20:33,177 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-06-06 06:20:33,812 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-06-06 06:20:34,450 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-06 06:20:35,085 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-06 06:20:35,779 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-06-06 06:20:36,467 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-06-06 06:20:37,169 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-06 06:20:37,891 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-06 06:20:38,652 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-06 06:20:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:20:40,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:20:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:20:40,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:20:40,508 INFO L244 Elim1Store]: Index analysis took 299 ms [2021-06-06 06:20:40,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 43 [2021-06-06 06:20:40,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:20:40,625 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-06-06 06:20:40,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:20:40,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 06:20:40,635 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:11 [2021-06-06 06:20:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:20:41,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258845861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:20:41,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:20:41,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 40 [2021-06-06 06:20:41,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811383316] [2021-06-06 06:20:41,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 06:20:41,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:20:41,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 06:20:41,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1454, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 06:20:41,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:20:41,052 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:20:41,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.225) internal successors, (89), 40 states have internal predecessors, (89), 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) [2021-06-06 06:20:41,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:20:41,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:20:41,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:20:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:20:51,120 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-06 06:20:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:20:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:20:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:20:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:20:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:20:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:20:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:20:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:20:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:20:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:20:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:20:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:20:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:20:53,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:20:53,288 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:20:53,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:20:53,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1643232082, now seen corresponding path program 12 times [2021-06-06 06:20:53,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:20:53,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855459303] [2021-06-06 06:20:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:20:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:20:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 81 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:20:56,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:20:56,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855459303] [2021-06-06 06:20:56,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855459303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:20:56,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619048352] [2021-06-06 06:20:56,774 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:20:56,819 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-06-06 06:20:56,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:20:56,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 06:20:56,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:21:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 100 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:21:03,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619048352] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:21:03,733 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:21:03,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 47 [2021-06-06 06:21:03,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571561609] [2021-06-06 06:21:03,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 06:21:03,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:21:03,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 06:21:03,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1781, Unknown=0, NotChecked=0, Total=2162 [2021-06-06 06:21:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:21:03,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:21:03,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.234042553191489) internal successors, (105), 47 states have internal predecessors, (105), 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) [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:21:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:21:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:21:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:21:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:21:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:21:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:21:10,943 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:21:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:21:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-06 06:21:28,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-06-06 06:21:28,550 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:21:28,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:21:28,550 INFO L82 PathProgramCache]: Analyzing trace with hash 2033133496, now seen corresponding path program 13 times [2021-06-06 06:21:28,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:21:28,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988547960] [2021-06-06 06:21:28,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:21:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:21:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 104 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:21:32,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:21:32,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988547960] [2021-06-06 06:21:32,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988547960] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:21:32,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323727949] [2021-06-06 06:21:32,041 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:21:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:21:32,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 06:21:32,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:21:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 121 proven. 121 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 06:21:39,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323727949] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:21:39,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:21:39,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 52 [2021-06-06 06:21:39,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587528616] [2021-06-06 06:21:39,879 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 06:21:39,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:21:39,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 06:21:39,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2295, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 06:21:39,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:21:39,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:21:39,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.326923076923077) internal successors, (121), 52 states have internal predecessors, (121), 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) [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-06 06:21:39,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:21:40,770 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2021-06-06 06:21:41,037 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2021-06-06 06:21:48,897 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2021-06-06 06:21:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:21:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:21:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:21:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:21:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:21:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:21:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-06 06:21:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 06:21:49,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-06-06 06:21:49,244 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:21:49,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:21:49,245 INFO L82 PathProgramCache]: Analyzing trace with hash -413385642, now seen corresponding path program 14 times [2021-06-06 06:21:49,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:21:49,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436666771] [2021-06-06 06:21:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:21:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:21:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 104 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:21:52,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:21:52,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436666771] [2021-06-06 06:21:52,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436666771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:21:52,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643226798] [2021-06-06 06:21:52,951 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:21:52,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:21:52,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:21:52,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-06 06:21:52,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:22:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 104 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:22:00,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643226798] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:22:00,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:22:00,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 54 [2021-06-06 06:22:00,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930933425] [2021-06-06 06:22:00,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-06-06 06:22:00,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:22:00,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-06-06 06:22:00,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=2317, Unknown=0, NotChecked=0, Total=2862 [2021-06-06 06:22:00,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:22:00,738 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:22:00,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 2.2037037037037037) internal successors, (119), 54 states have internal predecessors, (119), 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) [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 06:22:00,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:22:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:22:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:22:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-06 06:22:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 06:22:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:22:04,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable115 [2021-06-06 06:22:04,837 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:22:04,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:22:04,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2123800948, now seen corresponding path program 15 times [2021-06-06 06:22:04,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:22:04,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261398342] [2021-06-06 06:22:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:22:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:22:05,342 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-06-06 06:22:05,656 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2021-06-06 06:22:05,907 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-06-06 06:22:06,183 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-06-06 06:22:06,471 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-06-06 06:22:06,738 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-06-06 06:22:07,032 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-06-06 06:22:07,347 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-06-06 06:22:07,692 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-06 06:22:08,047 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-06-06 06:22:08,436 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-06-06 06:22:08,858 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-06 06:22:09,812 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2021-06-06 06:22:10,295 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-06-06 06:22:10,780 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-06-06 06:22:11,193 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-06 06:22:11,624 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-06-06 06:22:12,049 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-06 06:22:12,481 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-06 06:22:12,917 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-06-06 06:22:13,379 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-06 06:22:13,837 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-06-06 06:22:14,290 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-06-06 06:22:14,758 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-06-06 06:22:15,245 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-06-06 06:22:15,952 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-06-06 06:22:16,643 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-06-06 06:22:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:22:18,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:22:18,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261398342] [2021-06-06 06:22:18,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261398342] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:22:18,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359148867] [2021-06-06 06:22:18,065 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:22:18,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-06 06:22:18,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:22:18,123 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 119 conjunts are in the unsatisfiable core [2021-06-06 06:22:18,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:22:22,046 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-06 06:22:22,774 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-06-06 06:22:23,514 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-06-06 06:22:24,531 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-06 06:22:25,711 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 06:22:26,575 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-06 06:22:27,454 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-06 06:22:28,410 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-06 06:22:29,359 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-06-06 06:22:30,320 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-06 06:22:31,305 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-06 06:22:32,324 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-06 06:22:33,381 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-06-06 06:22:34,474 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-06 06:22:35,655 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-06 06:22:36,837 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-06-06 06:22:38,082 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-06 06:22:39,434 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-06 06:22:40,770 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-06 06:22:42,083 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-06-06 06:22:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:22:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:42,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:22:43,247 INFO L244 Elim1Store]: Index analysis took 1117 ms [2021-06-06 06:22:44,347 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 114 [2021-06-06 06:22:44,348 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:22:44,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 150 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 21 case distinctions, treesize of input 152 treesize of output 270 [2021-06-06 06:22:45,546 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 361 [2021-06-06 06:22:45,653 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 361 [2021-06-06 06:22:45,788 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 370 [2021-06-06 06:22:46,151 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 382 [2021-06-06 06:22:46,427 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 383 [2021-06-06 06:22:46,565 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 383 [2021-06-06 06:22:46,709 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 392 [2021-06-06 06:22:47,042 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 286 [2021-06-06 06:22:48,751 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 706 [2021-06-06 06:22:49,142 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 706 [2021-06-06 06:22:49,623 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 856 DAG size of output: 710 [2021-06-06 06:22:50,020 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 695 [2021-06-06 06:22:50,388 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 697 [2021-06-06 06:22:50,510 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 338 [2021-06-06 06:22:51,177 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 358 [2021-06-06 06:22:52,052 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 320 [2021-06-06 06:22:52,441 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 316 [2021-06-06 06:22:52,837 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 1176 DAG size of output: 723 [2021-06-06 06:22:53,243 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 1176 DAG size of output: 723 [2021-06-06 06:22:53,644 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 1181 DAG size of output: 728 [2021-06-06 06:22:55,292 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 519 [2021-06-06 06:22:55,709 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 358 [2021-06-06 06:22:55,944 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 329 [2021-06-06 06:22:56,866 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 742 [2021-06-06 06:22:57,284 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 742 [2021-06-06 06:22:57,746 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 750 [2021-06-06 06:22:59,099 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 274 Received shutdown request... [2021-06-06 06:29:13,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-06-06 06:29:13,992 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 06:29:13,999 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 06:29:14,000 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 06:29:14,001 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 06:29:14 BasicIcfg [2021-06-06 06:29:14,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 06:29:14,001 INFO L168 Benchmark]: Toolchain (without parser) took 854514.01 ms. Allocated memory was 341.8 MB in the beginning and 1.1 GB in the end (delta: 715.1 MB). Free memory was 320.9 MB in the beginning and 966.4 MB in the end (delta: -645.5 MB). Peak memory consumption was 666.5 MB. Max. memory is 16.0 GB. [2021-06-06 06:29:14,001 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 341.8 MB. Free memory was 322.0 MB in the beginning and 322.0 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 06:29:14,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.93 ms. Allocated memory is still 341.8 MB. Free memory was 320.8 MB in the beginning and 319.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 06:29:14,001 INFO L168 Benchmark]: Boogie Preprocessor took 21.10 ms. Allocated memory is still 341.8 MB. Free memory was 319.4 MB in the beginning and 318.4 MB in the end (delta: 995.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 06:29:14,001 INFO L168 Benchmark]: RCFGBuilder took 331.15 ms. Allocated memory is still 341.8 MB. Free memory was 318.3 MB in the beginning and 305.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-06 06:29:14,001 INFO L168 Benchmark]: TraceAbstraction took 854131.27 ms. Allocated memory was 341.8 MB in the beginning and 1.1 GB in the end (delta: 715.1 MB). Free memory was 305.1 MB in the beginning and 966.4 MB in the end (delta: -661.2 MB). Peak memory consumption was 651.8 MB. Max. memory is 16.0 GB. [2021-06-06 06:29:14,001 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 0.16 ms. Allocated memory is still 341.8 MB. Free memory was 322.0 MB in the beginning and 322.0 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.93 ms. Allocated memory is still 341.8 MB. Free memory was 320.8 MB in the beginning and 319.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.10 ms. Allocated memory is still 341.8 MB. Free memory was 319.4 MB in the beginning and 318.4 MB in the end (delta: 995.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 331.15 ms. Allocated memory is still 341.8 MB. Free memory was 318.3 MB in the beginning and 305.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 854131.27 ms. Allocated memory was 341.8 MB in the beginning and 1.1 GB in the end (delta: 715.1 MB). Free memory was 305.1 MB in the beginning and 966.4 MB in the end (delta: -661.2 MB). Peak memory consumption was 651.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13426, positive: 11628, positive conditional: 11628, positive unconditional: 0, negative: 1798, negative conditional: 1798, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 11628, positive: 11628, positive conditional: 11628, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 11628, positive: 11628, positive conditional: 0, positive unconditional: 11628, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 11628, positive: 11589, positive conditional: 0, positive unconditional: 11589, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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: 1798 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - 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: 853962.9ms, OverallIterations: 19, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.3ms, PartialOrderReductionTime: 268861.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 408, 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: 125.9ms SsaConstructionTime, 508.7ms SatisfiabilityAnalysisTime, 151340.8ms InterpolantComputationTime, 1454 NumberOfCodeBlocks, 1454 NumberOfCodeBlocksAsserted, 82 NumberOfCheckSat, 1420 ConstructedInterpolants, 92 QuantifiedInterpolants, 27021 SizeOfPredicates, 73 NumberOfNonLiveVariables, 1818 ConjunctsInSsa, 497 ConjunctsInUnsatCore, 34 InterpolantComputations, 2 PerfectInterpolantSequences, 976/3013 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