/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 22:38:24,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 22:38:24,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 22:38:24,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 22:38:24,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-06-13 22:38:24,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 22:38:24,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 22:38:24,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 22:38:24,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 22:38:24,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 22:38:24,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 22:38:24,219 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 22:38:24,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 22:38:24,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 22:38:24,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 22:38:24,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 22:38:24,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 22:38:24,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 22:38:24,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 22:38:24,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 22:38:24,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 22:38:24,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 22:38:24,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 22:38:24,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 22:38:24,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 22:38:24,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 22:38:24,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 22:38:24,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 22:38:24,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 22:38:24,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 22:38:24,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 22:38:24,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 22:38:24,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 22:38:24,224 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 22:38:24,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 22:38:24,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 22:38:24,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 22:38:24,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 22:38:24,224 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 22:38:24,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 22:38:24,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 22:38:24,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 22:38:24,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 22:38:24,460 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 22:38:24,460 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 22:38:24,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl [2021-06-13 22:38:24,461 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl' [2021-06-13 22:38:24,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 22:38:24,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 22:38:24,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 22:38:24,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 22:38:24,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 22:38:24,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 22:38:24,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 22:38:24,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 22:38:24,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 22:38:24,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/1) ... [2021-06-13 22:38:24,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 22:38:24,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 22:38:24,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 22:38:24,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 22:38:24,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (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 [2021-06-13 22:38:24,577 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 22:38:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 22:38:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 22:38:24,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 22:38:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 22:38:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 22:38:24,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 22:38:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 22:38:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 22:38:24,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 22:38:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 22:38:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 22:38:24,579 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 22:38:24,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 22:38:24,805 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 22:38:24,807 INFO L202 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 10:38:24 BoogieIcfgContainer [2021-06-13 22:38:24,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 22:38:24,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 22:38:24,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 22:38:24,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 22:38:24,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:38:24" (1/2) ... [2021-06-13 22:38:24,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5ced7 and model type horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 10:38:24, skipping insertion in model container [2021-06-13 22:38:24,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 10:38:24" (2/2) ... [2021-06-13 22:38:24,812 INFO L111 eAbstractionObserver]: Analyzing ICFG horseshoe.wvr.bpl [2021-06-13 22:38:24,815 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 22:38:24,815 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 22:38:24,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 22:38:24,816 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 22:38:24,856 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 22:38:24,870 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 [2021-06-13 22:38:24,951 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 22:38:24,952 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 22:38:24,952 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 22:38:24,952 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 22:38:24,952 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 22:38:24,952 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 22:38:24,952 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 22:38:24,953 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 22:38:25,115 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:25,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:25,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1295844626, now seen corresponding path program 1 times [2021-06-13 22:38:25,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:25,124 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358513540] [2021-06-13 22:38:25,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-06-13 22:38:25,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:25,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358513540] [2021-06-13 22:38:25,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358513540] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:25,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809630261] [2021-06-13 22:38:25,301 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 [2021-06-13 22:38:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:25,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-13 22:38:25,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-06-13 22:38:25,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809630261] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 22:38:25,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-13 22:38:25,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-06-13 22:38:25,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178493575] [2021-06-13 22:38:25,565 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 22:38:25,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:25,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 22:38:25,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-13 22:38:25,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:25,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:25,580 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-06-13 22:38:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:25,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 22:38:25,829 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:25,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:25,829 INFO L82 PathProgramCache]: Analyzing trace with hash -947331807, now seen corresponding path program 2 times [2021-06-13 22:38:25,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:25,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290326738] [2021-06-13 22:38:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-13 22:38:25,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:25,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290326738] [2021-06-13 22:38:25,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290326738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:25,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996375879] [2021-06-13 22:38:25,924 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 [2021-06-13 22:38:25,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:38:25,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:38:26,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-13 22:38:26,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 39 proven. 20 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-06-13 22:38:26,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996375879] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:26,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:38:26,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-06-13 22:38:26,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341482788] [2021-06-13 22:38:26,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 22:38:26,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:26,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 22:38:26,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-13 22:38:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:26,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:26,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-06-13 22:38:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:26,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:26,418 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:26,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:26,419 INFO L82 PathProgramCache]: Analyzing trace with hash -2003576931, now seen corresponding path program 3 times [2021-06-13 22:38:26,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:26,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082313739] [2021-06-13 22:38:26,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-06-13 22:38:26,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:26,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082313739] [2021-06-13 22:38:26,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082313739] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:26,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737454513] [2021-06-13 22:38:26,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:26,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-06-13 22:38:26,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:38:26,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-13 22:38:26,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:27,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:38:27,143 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 13 treesize of output 7 [2021-06-13 22:38:27,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:38:27,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:38:27,151 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:38:27,151 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-06-13 22:38:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 3 proven. 325 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-13 22:38:27,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737454513] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:27,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:38:27,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 20 [2021-06-13 22:38:27,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861602162] [2021-06-13 22:38:27,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-13 22:38:27,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:27,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-13 22:38:27,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2021-06-13 22:38:27,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:27,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:27,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 5.714285714285714) internal successors, (120), 20 states have internal predecessors, (120), 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) [2021-06-13 22:38:27,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:27,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:27,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:27,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:27,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:27,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:27,938 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:27,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:27,938 INFO L82 PathProgramCache]: Analyzing trace with hash -342926294, now seen corresponding path program 4 times [2021-06-13 22:38:27,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:27,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669786183] [2021-06-13 22:38:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 0 proven. 1532 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-13 22:38:28,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:28,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669786183] [2021-06-13 22:38:28,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669786183] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:28,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385152369] [2021-06-13 22:38:28,323 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:28,419 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 22:38:28,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:38:28,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-13 22:38:28,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:29,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:38:29,205 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 [2021-06-13 22:38:29,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:38:29,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:38:29,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:38:29,212 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-06-13 22:38:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 0 proven. 1532 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-13 22:38:29,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385152369] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:29,240 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:38:29,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-06-13 22:38:29,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761021118] [2021-06-13 22:38:29,242 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-13 22:38:29,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:29,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-13 22:38:29,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2021-06-13 22:38:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:29,243 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:29,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 9.166666666666666) internal successors, (220), 23 states have internal predecessors, (220), 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) [2021-06-13 22:38:29,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:29,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:29,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:29,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:30,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:30,159 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:30,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:30,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1882421639, now seen corresponding path program 5 times [2021-06-13 22:38:30,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:30,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997742568] [2021-06-13 22:38:30,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2762 backedges. 0 proven. 2677 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-06-13 22:38:30,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:30,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997742568] [2021-06-13 22:38:30,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997742568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:30,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261263481] [2021-06-13 22:38:30,535 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:30,720 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2021-06-13 22:38:30,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:38:30,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-13 22:38:30,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:31,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:38:31,687 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 [2021-06-13 22:38:31,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:38:31,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:38:31,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:38:31,693 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-06-13 22:38:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2762 backedges. 0 proven. 2677 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-06-13 22:38:31,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261263481] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:31,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:38:31,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 29 [2021-06-13 22:38:31,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021316916] [2021-06-13 22:38:31,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 22:38:31,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:31,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 22:38:31,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=804, Unknown=0, NotChecked=0, Total=870 [2021-06-13 22:38:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:31,729 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:31,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 9.733333333333333) internal successors, (292), 29 states have internal predecessors, (292), 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) [2021-06-13 22:38:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:32,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:32,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:32,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:38:33,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:33,112 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:33,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:33,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1403190873, now seen corresponding path program 6 times [2021-06-13 22:38:33,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:33,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693445146] [2021-06-13 22:38:33,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6158 backedges. 0 proven. 6027 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-06-13 22:38:33,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:33,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693445146] [2021-06-13 22:38:33,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693445146] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:33,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612723323] [2021-06-13 22:38:33,738 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:33,991 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 44 check-sat command(s) [2021-06-13 22:38:33,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:38:33,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 152 conjunts are in the unsatisfiable core [2021-06-13 22:38:34,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:35,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:38:35,834 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 13 treesize of output 7 [2021-06-13 22:38:35,835 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:38:35,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:38:35,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:38:35,840 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-06-13 22:38:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6158 backedges. 7 proven. 6042 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-06-13 22:38:35,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612723323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:35,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:38:35,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 45] total 58 [2021-06-13 22:38:35,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163805797] [2021-06-13 22:38:35,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-13 22:38:35,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:35,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-13 22:38:35,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3301, Unknown=0, NotChecked=0, Total=3422 [2021-06-13 22:38:35,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:35,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:35,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 7.254237288135593) internal successors, (428), 58 states have internal predecessors, (428), 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) [2021-06-13 22:38:35,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:35,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:35,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:35,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:35,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:38:35,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:41,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:41,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:41,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:38:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:38:41,478 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:41,478 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:41,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:41,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1927984687, now seen corresponding path program 7 times [2021-06-13 22:38:41,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:41,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885007688] [2021-06-13 22:38:41,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 9342 backedges. 0 proven. 9182 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-06-13 22:38:42,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:42,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885007688] [2021-06-13 22:38:42,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885007688] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:42,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117601910] [2021-06-13 22:38:42,284 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:42,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 142 conjunts are in the unsatisfiable core [2021-06-13 22:38:42,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:44,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:38:44,394 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 [2021-06-13 22:38:44,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:38:44,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:38:44,399 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:38:44,399 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-06-13 22:38:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9342 backedges. 0 proven. 9182 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-06-13 22:38:44,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117601910] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:44,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:38:44,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 47 [2021-06-13 22:38:44,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631772066] [2021-06-13 22:38:44,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-13 22:38:44,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:44,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-13 22:38:44,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=2148, Unknown=0, NotChecked=0, Total=2256 [2021-06-13 22:38:44,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:44,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:44,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 10.583333333333334) internal successors, (508), 47 states have internal predecessors, (508), 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) [2021-06-13 22:38:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:38:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:38:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:38:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:38:47,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:38:47,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-13 22:38:47,577 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:47,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:47,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1199970305, now seen corresponding path program 8 times [2021-06-13 22:38:47,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:47,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188469536] [2021-06-13 22:38:47,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 15033 backedges. 0 proven. 14827 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-06-13 22:38:48,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:48,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188469536] [2021-06-13 22:38:48,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188469536] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:48,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759042350] [2021-06-13 22:38:48,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:48,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:38:48,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:38:48,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 176 conjunts are in the unsatisfiable core [2021-06-13 22:38:48,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:51,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:38:51,323 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 13 treesize of output 7 [2021-06-13 22:38:51,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:38:51,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:38:51,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:38:51,328 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-06-13 22:38:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 15033 backedges. 0 proven. 14827 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-06-13 22:38:51,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759042350] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:51,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:38:51,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 58 [2021-06-13 22:38:51,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746820711] [2021-06-13 22:38:51,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-13 22:38:51,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:51,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-13 22:38:51,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=3288, Unknown=0, NotChecked=0, Total=3422 [2021-06-13 22:38:51,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:51,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:51,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 10.542372881355933) internal successors, (622), 58 states have internal predecessors, (622), 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) [2021-06-13 22:38:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:38:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:38:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:38:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:38:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:38:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:38:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:38:56,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:56,510 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:38:56,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:38:56,510 INFO L82 PathProgramCache]: Analyzing trace with hash 701293002, now seen corresponding path program 9 times [2021-06-13 22:38:56,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:38:56,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288957721] [2021-06-13 22:38:56,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:38:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:38:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 21278 backedges. 0 proven. 21032 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-06-13 22:38:57,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:38:57,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288957721] [2021-06-13 22:38:57,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288957721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:57,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333462534] [2021-06-13 22:38:57,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:38:58,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 80 check-sat command(s) [2021-06-13 22:38:58,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:38:58,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 209 conjunts are in the unsatisfiable core [2021-06-13 22:38:58,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:38:59,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 22:38:59,447 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:38:59,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:38:59,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:38:59,457 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-13 22:38:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 21278 backedges. 0 proven. 21032 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-06-13 22:38:59,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333462534] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:38:59,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:38:59,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 46 [2021-06-13 22:38:59,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761136659] [2021-06-13 22:38:59,507 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-13 22:38:59,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:38:59,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-13 22:38:59,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=2070, Unknown=0, NotChecked=0, Total=2162 [2021-06-13 22:38:59,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:38:59,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:38:59,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 10.617021276595745) internal successors, (499), 46 states have internal predecessors, (499), 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) [2021-06-13 22:38:59,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:38:59,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:38:59,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:38:59,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:38:59,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:38:59,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:38:59,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:38:59,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:38:59,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:39:03,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:39:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:39:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:39:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:39:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:39:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:39:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:39:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:39:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:39:03,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:39:03,570 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:39:03,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:39:03,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1997343769, now seen corresponding path program 10 times [2021-06-13 22:39:03,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:39:03,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649354945] [2021-06-13 22:39:03,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:39:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:39:07,881 INFO L134 CoverageAnalysis]: Checked inductivity of 25106 backedges. 542 proven. 24303 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2021-06-13 22:39:07,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:39:07,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649354945] [2021-06-13 22:39:07,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649354945] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:39:07,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453432469] [2021-06-13 22:39:07,882 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 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 [2021-06-13 22:39:08,133 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 22:39:08,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:39:08,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 226 conjunts are in the unsatisfiable core [2021-06-13 22:39:08,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:39:13,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 22:39:13,555 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:39:13,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:39:13,556 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:39:13,556 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-13 22:39:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 25106 backedges. 0 proven. 24841 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-06-13 22:39:13,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453432469] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:39:13,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:39:13,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 49] total 145 [2021-06-13 22:39:13,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984995984] [2021-06-13 22:39:13,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 146 states [2021-06-13 22:39:13,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:39:13,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2021-06-13 22:39:13,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=20737, Unknown=0, NotChecked=0, Total=21170 [2021-06-13 22:39:13,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:39:13,737 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:39:13,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 146 states, 146 states have (on average 7.431506849315069) internal successors, (1085), 145 states have internal predecessors, (1085), 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) [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:39:13,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:39:26,952 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2021-06-13 22:39:27,807 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2021-06-13 22:39:28,265 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-06-13 22:39:28,657 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2021-06-13 22:39:28,939 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-06-13 22:39:29,601 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:39:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:39:36,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-13 22:39:36,601 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:39:36,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:39:36,602 INFO L82 PathProgramCache]: Analyzing trace with hash 117548217, now seen corresponding path program 11 times [2021-06-13 22:39:36,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:39:36,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838461215] [2021-06-13 22:39:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:39:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:39:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 34010 backedges. 0 proven. 33698 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-06-13 22:39:38,878 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:39:38,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838461215] [2021-06-13 22:39:38,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838461215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:39:38,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963820615] [2021-06-13 22:39:38,878 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 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 [2021-06-13 22:39:40,400 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 100 check-sat command(s) [2021-06-13 22:39:40,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:39:40,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 2167 conjuncts, 302 conjunts are in the unsatisfiable core [2021-06-13 22:39:40,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:39:45,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:39:45,804 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 13 treesize of output 7 [2021-06-13 22:39:45,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:39:45,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:39:45,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:39:45,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-06-13 22:39:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 34010 backedges. 3 proven. 33720 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2021-06-13 22:39:45,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963820615] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:39:45,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:39:45,906 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 77] total 104 [2021-06-13 22:39:45,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556249930] [2021-06-13 22:39:45,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-06-13 22:39:45,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:39:45,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-06-13 22:39:45,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=10694, Unknown=0, NotChecked=0, Total=10920 [2021-06-13 22:39:45,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:39:45,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:39:45,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 9.057142857142857) internal successors, (951), 104 states have internal predecessors, (951), 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) [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:39:45,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:39:52,901 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2021-06-13 22:39:53,268 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2021-06-13 22:39:53,577 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-06-13 22:39:53,887 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2021-06-13 22:39:54,071 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-13 22:39:54,325 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-13 22:39:54,492 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-06-13 22:39:54,686 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2021-06-13 22:39:54,888 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2021-06-13 22:39:55,301 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2021-06-13 22:39:55,468 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2021-06-13 22:39:55,713 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2021-06-13 22:39:56,087 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 22:39:57,586 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:40:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:40:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:40:02,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:40:02,645 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:40:02,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:40:02,646 INFO L82 PathProgramCache]: Analyzing trace with hash -625525423, now seen corresponding path program 12 times [2021-06-13 22:40:02,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:40:02,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133599315] [2021-06-13 22:40:02,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:40:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:40:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 44483 backedges. 0 proven. 44127 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-06-13 22:40:05,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:40:05,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133599315] [2021-06-13 22:40:05,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133599315] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:40:05,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990578299] [2021-06-13 22:40:05,633 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 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 [2021-06-13 22:40:06,661 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 114 check-sat command(s) [2021-06-13 22:40:06,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:40:06,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 2470 conjuncts, 392 conjunts are in the unsatisfiable core [2021-06-13 22:40:06,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:40:15,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:40:15,673 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 13 treesize of output 7 [2021-06-13 22:40:15,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:40:15,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:40:15,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:40:15,679 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-06-13 22:40:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 44483 backedges. 7 proven. 44178 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-06-13 22:40:15,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990578299] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:40:15,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:40:15,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 111] total 142 [2021-06-13 22:40:15,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681794712] [2021-06-13 22:40:15,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 143 states [2021-06-13 22:40:15,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:40:15,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2021-06-13 22:40:15,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=20017, Unknown=0, NotChecked=0, Total=20306 [2021-06-13 22:40:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:40:15,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:40:15,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 143 states, 143 states have (on average 7.776223776223776) internal successors, (1112), 142 states have internal predecessors, (1112), 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) [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:40:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:40:28,237 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2021-06-13 22:40:28,825 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2021-06-13 22:40:29,348 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2021-06-13 22:40:29,832 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2021-06-13 22:40:30,107 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 125 [2021-06-13 22:40:30,533 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 125 [2021-06-13 22:40:30,786 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-06-13 22:40:31,086 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2021-06-13 22:40:31,392 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2021-06-13 22:40:31,743 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-06-13 22:40:32,044 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2021-06-13 22:40:32,300 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2021-06-13 22:40:32,679 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2021-06-13 22:40:33,004 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2021-06-13 22:40:33,257 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-06-13 22:40:33,651 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-06-13 22:40:33,892 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2021-06-13 22:40:34,166 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-13 22:40:34,458 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-13 22:40:34,771 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2021-06-13 22:40:35,053 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-13 22:40:35,290 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2021-06-13 22:40:35,614 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2021-06-13 22:40:35,938 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2021-06-13 22:40:36,195 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2021-06-13 22:40:36,547 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2021-06-13 22:40:36,762 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-06-13 22:40:37,044 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:40:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:40:51,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:40:51,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-13 22:40:51,781 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:40:51,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:40:51,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1570058201, now seen corresponding path program 13 times [2021-06-13 22:40:51,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:40:51,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626818852] [2021-06-13 22:40:51,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:40:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:40:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 52482 backedges. 0 proven. 52097 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-06-13 22:40:55,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:40:55,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626818852] [2021-06-13 22:40:55,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626818852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:40:55,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170250236] [2021-06-13 22:40:55,512 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 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 [2021-06-13 22:40:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:40:55,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 2689 conjuncts, 322 conjunts are in the unsatisfiable core [2021-06-13 22:40:55,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:41:01,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:41:01,411 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 [2021-06-13 22:41:01,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:41:01,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:41:01,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:41:01,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-06-13 22:41:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 52482 backedges. 0 proven. 52097 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-06-13 22:41:01,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170250236] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:41:01,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:41:01,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68] total 101 [2021-06-13 22:41:01,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696697493] [2021-06-13 22:41:01,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 102 states [2021-06-13 22:41:01,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:41:01,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2021-06-13 22:41:01,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=10068, Unknown=0, NotChecked=0, Total=10302 [2021-06-13 22:41:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:41:01,504 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:41:01,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 102 states, 102 states have (on average 11.333333333333334) internal successors, (1156), 101 states have internal predecessors, (1156), 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) [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:41:01,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:41:13,295 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:41:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:41:19,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:41:19,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:41:19,765 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:41:19,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:41:19,765 INFO L82 PathProgramCache]: Analyzing trace with hash -2041952007, now seen corresponding path program 14 times [2021-06-13 22:41:19,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:41:19,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642543671] [2021-06-13 22:41:19,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:41:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:41:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 65058 backedges. 0 proven. 64627 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-06-13 22:41:23,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:41:23,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642543671] [2021-06-13 22:41:23,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642543671] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:41:23,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633753617] [2021-06-13 22:41:23,760 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 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 [2021-06-13 22:41:24,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:41:24,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:41:24,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 2975 conjuncts, 356 conjunts are in the unsatisfiable core [2021-06-13 22:41:24,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:41:30,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:41:30,625 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 13 treesize of output 7 [2021-06-13 22:41:30,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:41:30,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:41:30,631 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:41:30,632 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-06-13 22:41:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 65058 backedges. 0 proven. 64627 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-06-13 22:41:30,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633753617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:41:30,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:41:30,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75] total 112 [2021-06-13 22:41:30,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103756464] [2021-06-13 22:41:30,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 113 states [2021-06-13 22:41:30,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:41:30,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2021-06-13 22:41:30,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=12396, Unknown=0, NotChecked=0, Total=12656 [2021-06-13 22:41:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:41:30,729 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:41:30,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 113 states, 113 states have (on average 11.238938053097344) internal successors, (1270), 112 states have internal predecessors, (1270), 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) [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:41:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:41:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:41:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:41:55,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-13 22:41:55,141 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:41:55,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:41:55,141 INFO L82 PathProgramCache]: Analyzing trace with hash 506151378, now seen corresponding path program 15 times [2021-06-13 22:41:55,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:41:55,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173527625] [2021-06-13 22:41:55,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:41:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:41:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 77468 backedges. 0 proven. 76997 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2021-06-13 22:41:59,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:41:59,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173527625] [2021-06-13 22:41:59,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173527625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:42:00,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130387503] [2021-06-13 22:42:00,002 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 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 [2021-06-13 22:42:02,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 150 check-sat command(s) [2021-06-13 22:42:02,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:42:02,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 3242 conjuncts, 389 conjunts are in the unsatisfiable core [2021-06-13 22:42:02,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:42:04,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 22:42:04,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:42:04,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:42:04,458 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:42:04,458 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-13 22:42:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 77468 backedges. 0 proven. 76997 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2021-06-13 22:42:04,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130387503] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:42:04,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:42:04,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81] total 82 [2021-06-13 22:42:04,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526270559] [2021-06-13 22:42:04,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-06-13 22:42:04,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:42:04,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-06-13 22:42:04,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=6642, Unknown=0, NotChecked=0, Total=6806 [2021-06-13 22:42:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:42:04,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:42:04,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 11.216867469879517) internal successors, (931), 82 states have internal predecessors, (931), 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) [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:42:04,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:42:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:42:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:42:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:42:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:42:18,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:42:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:42:18,574 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:42:18,574 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:42:18,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:42:18,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1234752479, now seen corresponding path program 16 times [2021-06-13 22:42:18,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:42:18,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616790433] [2021-06-13 22:42:18,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:42:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:42:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 84626 backedges. 0 proven. 84136 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2021-06-13 22:42:25,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:42:25,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616790433] [2021-06-13 22:42:25,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616790433] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:42:25,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719698801] [2021-06-13 22:42:25,169 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 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 [2021-06-13 22:42:25,611 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 22:42:25,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:42:25,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 3396 conjuncts, 406 conjunts are in the unsatisfiable core [2021-06-13 22:42:25,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:42:33,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:42:33,581 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 [2021-06-13 22:42:33,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:42:33,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:42:33,586 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:42:33,586 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-06-13 22:42:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 84626 backedges. 0 proven. 84136 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2021-06-13 22:42:33,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719698801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:42:33,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:42:33,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 127 [2021-06-13 22:42:33,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583191418] [2021-06-13 22:42:33,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 128 states [2021-06-13 22:42:33,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:42:33,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2021-06-13 22:42:33,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=15961, Unknown=0, NotChecked=0, Total=16256 [2021-06-13 22:42:33,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:42:33,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:42:33,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 128 states, 128 states have (on average 11.375) internal successors, (1456), 127 states have internal predecessors, (1456), 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) [2021-06-13 22:42:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:42:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:42:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:42:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:42:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:42:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:42:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:42:57,159 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-06-13 22:42:58,575 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-06-13 22:42:59,026 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-06-13 22:42:59,327 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:43:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:43:07,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:43:07,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-13 22:43:07,981 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:43:07,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:43:07,981 INFO L82 PathProgramCache]: Analyzing trace with hash -784180303, now seen corresponding path program 17 times [2021-06-13 22:43:07,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:43:07,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98805303] [2021-06-13 22:43:07,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:43:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:43:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 100415 backedges. 0 proven. 99878 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2021-06-13 22:43:14,510 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:43:14,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98805303] [2021-06-13 22:43:14,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98805303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:43:14,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097306578] [2021-06-13 22:43:14,510 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 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 [2021-06-13 22:43:18,857 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 170 check-sat command(s) [2021-06-13 22:43:18,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:43:18,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 3682 conjuncts, 550 conjunts are in the unsatisfiable core [2021-06-13 22:43:18,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:43:34,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:43:34,395 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 13 treesize of output 7 [2021-06-13 22:43:34,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:43:34,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:43:34,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:43:34,401 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-06-13 22:43:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 100415 backedges. 3 proven. 99941 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2021-06-13 22:43:34,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097306578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:43:34,563 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:43:34,564 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 147] total 192 [2021-06-13 22:43:34,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399055946] [2021-06-13 22:43:34,565 INFO L462 AbstractCegarLoop]: Interpolant automaton has 193 states [2021-06-13 22:43:34,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:43:34,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2021-06-13 22:43:34,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=36656, Unknown=0, NotChecked=0, Total=37056 [2021-06-13 22:43:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:43:34,566 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:43:34,567 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 193 states, 193 states have (on average 8.49740932642487) internal successors, (1640), 192 states have internal predecessors, (1640), 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) [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:43:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:43:34,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:43:34,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:43:34,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:43:34,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:43:34,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:43:34,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:43:56,417 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-06-13 22:43:57,089 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-06-13 22:43:57,656 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-13 22:43:58,347 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-13 22:43:59,047 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 181 [2021-06-13 22:43:59,899 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 185 [2021-06-13 22:44:00,632 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 185 [2021-06-13 22:44:01,296 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 181 [2021-06-13 22:44:01,739 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 181 [2021-06-13 22:44:02,342 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 181 [2021-06-13 22:44:02,770 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 177 [2021-06-13 22:44:03,264 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 177 [2021-06-13 22:44:03,755 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 177 [2021-06-13 22:44:04,292 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 173 [2021-06-13 22:44:04,773 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 177 [2021-06-13 22:44:05,194 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 173 [2021-06-13 22:44:05,766 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-13 22:44:06,286 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 169 [2021-06-13 22:44:06,703 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 169 [2021-06-13 22:44:07,309 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 169 [2021-06-13 22:44:07,706 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2021-06-13 22:44:08,155 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 165 [2021-06-13 22:44:08,611 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 165 [2021-06-13 22:44:09,118 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2021-06-13 22:44:09,578 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 165 [2021-06-13 22:44:09,969 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 161 [2021-06-13 22:44:10,493 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 161 [2021-06-13 22:44:10,978 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 157 [2021-06-13 22:44:11,371 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 157 [2021-06-13 22:44:11,945 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 157 [2021-06-13 22:44:12,300 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2021-06-13 22:44:12,725 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 153 [2021-06-13 22:44:13,155 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 153 [2021-06-13 22:44:13,638 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2021-06-13 22:44:14,091 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 153 [2021-06-13 22:44:14,454 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 149 [2021-06-13 22:44:14,981 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 149 [2021-06-13 22:44:15,447 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 145 [2021-06-13 22:44:15,804 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 145 [2021-06-13 22:44:16,329 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 145 [2021-06-13 22:44:16,668 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2021-06-13 22:44:17,060 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2021-06-13 22:44:17,461 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2021-06-13 22:44:17,912 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2021-06-13 22:44:18,313 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2021-06-13 22:44:18,643 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2021-06-13 22:44:19,099 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 137 [2021-06-13 22:44:19,540 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2021-06-13 22:44:19,873 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 133 [2021-06-13 22:44:20,387 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 133 [2021-06-13 22:44:20,702 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-06-13 22:44:21,086 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2021-06-13 22:44:21,490 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2021-06-13 22:44:21,967 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2021-06-13 22:44:22,348 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2021-06-13 22:44:22,685 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2021-06-13 22:44:23,121 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 125 [2021-06-13 22:44:23,552 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-06-13 22:44:23,879 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2021-06-13 22:44:24,415 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2021-06-13 22:44:24,693 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2021-06-13 22:44:25,040 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-06-13 22:44:25,397 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2021-06-13 22:44:25,803 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2021-06-13 22:44:26,148 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2021-06-13 22:44:26,430 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2021-06-13 22:44:26,840 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-06-13 22:44:27,231 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2021-06-13 22:44:27,525 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-13 22:44:27,977 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-06-13 22:44:28,231 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-06-13 22:44:28,557 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2021-06-13 22:44:28,898 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2021-06-13 22:44:29,595 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2021-06-13 22:44:29,851 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2021-06-13 22:44:30,239 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2021-06-13 22:44:31,310 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:44:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:44:43,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2021-06-13 22:44:44,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-13 22:44:44,172 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:44:44,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:44:44,172 INFO L82 PathProgramCache]: Analyzing trace with hash -454962615, now seen corresponding path program 18 times [2021-06-13 22:44:44,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:44:44,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187358875] [2021-06-13 22:44:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:44:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:44:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 117908 backedges. 0 proven. 117327 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2021-06-13 22:44:51,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:44:51,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187358875] [2021-06-13 22:44:51,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187358875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:44:51,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257997804] [2021-06-13 22:44:51,909 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:44:54,648 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 184 check-sat command(s) [2021-06-13 22:44:54,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:44:54,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 3985 conjuncts, 474 conjunts are in the unsatisfiable core [2021-06-13 22:44:54,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:45:05,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:45:05,359 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 [2021-06-13 22:45:05,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:45:05,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:45:05,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:45:05,365 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-06-13 22:45:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 117908 backedges. 0 proven. 117327 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2021-06-13 22:45:05,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257997804] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:45:05,509 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:45:05,509 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99] total 148 [2021-06-13 22:45:05,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298990892] [2021-06-13 22:45:05,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 149 states [2021-06-13 22:45:05,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:45:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2021-06-13 22:45:05,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=21708, Unknown=0, NotChecked=0, Total=22052 [2021-06-13 22:45:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:45:05,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:45:05,512 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 149 states, 149 states have (on average 11.422818791946309) internal successors, (1702), 148 states have internal predecessors, (1702), 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) [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:45:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:45:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:45:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:45:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:45:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:45:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:45:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:45:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2021-06-13 22:45:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:45:39,518 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-06-13 22:45:40,467 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-06-13 22:45:41,180 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-13 22:45:42,070 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-13 22:45:42,771 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-06-13 22:45:43,575 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-06-13 22:45:44,133 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-13 22:45:44,774 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2021-06-13 22:45:45,234 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-13 22:45:45,695 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-06-13 22:45:45,947 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-06-13 22:45:46,226 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-06-13 22:45:46,503 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-06-13 22:45:46,773 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-06-13 22:45:47,045 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-06-13 22:45:47,331 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-13 22:45:47,617 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-13 22:45:49,174 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-06-13 22:45:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:45:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:45:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2021-06-13 22:45:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-13 22:45:58,582 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-13 22:45:58,582 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:45:58,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:45:58,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1729515902, now seen corresponding path program 19 times [2021-06-13 22:45:58,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:45:58,583 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754332934] [2021-06-13 22:45:58,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:46:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:46:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 134428 backedges. 0 proven. 133807 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2021-06-13 22:46:07,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:46:07,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754332934] [2021-06-13 22:46:07,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754332934] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:46:07,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265404169] [2021-06-13 22:46:07,365 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:46:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:46:08,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 4252 conjuncts, 506 conjunts are in the unsatisfiable core [2021-06-13 22:46:08,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:46:19,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:46:19,595 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 [2021-06-13 22:46:19,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:46:19,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:46:19,600 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:46:19,600 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-06-13 22:46:19,731 INFO L134 CoverageAnalysis]: Checked inductivity of 134428 backedges. 0 proven. 133807 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2021-06-13 22:46:19,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265404169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:46:19,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:46:19,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 105] total 157 [2021-06-13 22:46:19,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638743622] [2021-06-13 22:46:19,733 INFO L462 AbstractCegarLoop]: Interpolant automaton has 158 states [2021-06-13 22:46:19,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:46:19,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2021-06-13 22:46:19,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=24441, Unknown=0, NotChecked=0, Total=24806 [2021-06-13 22:46:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:46:19,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:46:19,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 158 states, 158 states have (on average 11.49367088607595) internal successors, (1816), 157 states have internal predecessors, (1816), 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) [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-13 22:46:19,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:46:57,084 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-06-13 22:46:58,043 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-06-13 22:46:59,233 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-06-13 22:47:00,155 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-13 22:47:01,282 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-13 22:47:02,125 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-06-13 22:47:03,191 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-06-13 22:47:04,014 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-13 22:47:04,954 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2021-06-13 22:47:05,628 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-13 22:47:06,414 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-13 22:47:06,998 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-13 22:47:07,626 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-13 22:47:08,054 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-06-13 22:47:08,421 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-06-13 22:47:08,699 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-06-13 22:47:08,988 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-06-13 22:47:09,280 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-06-13 22:47:09,586 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-06-13 22:47:09,922 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-06-13 22:47:10,251 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-06-13 22:47:10,575 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-06-13 22:47:10,898 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-13 22:47:11,233 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-13 22:47:12,275 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-06-13 22:47:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-13 22:47:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:47:23,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:47:23,424 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:47:23,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:47:23,425 INFO L82 PathProgramCache]: Analyzing trace with hash 2070419665, now seen corresponding path program 20 times [2021-06-13 22:47:23,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:47:23,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909852038] [2021-06-13 22:47:23,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:47:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:47:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 143806 backedges. 0 proven. 143166 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2021-06-13 22:47:35,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:47:35,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909852038] [2021-06-13 22:47:35,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909852038] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:47:35,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195670388] [2021-06-13 22:47:35,530 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:47:36,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:47:36,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:47:36,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 4406 conjuncts, 526 conjunts are in the unsatisfiable core [2021-06-13 22:47:36,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:47:48,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:47:48,733 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 [2021-06-13 22:47:48,734 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:47:48,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:47:48,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:47:48,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-06-13 22:47:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 143806 backedges. 0 proven. 143166 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2021-06-13 22:47:48,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195670388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:47:48,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:47:48,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [109, 109] total 163 [2021-06-13 22:47:48,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433039586] [2021-06-13 22:47:48,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 164 states [2021-06-13 22:47:48,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:47:48,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2021-06-13 22:47:48,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=26353, Unknown=0, NotChecked=0, Total=26732 [2021-06-13 22:47:48,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:47:48,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:47:48,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 164 states, 164 states have (on average 11.512195121951219) internal successors, (1888), 163 states have internal predecessors, (1888), 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) [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:47:48,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:47:48,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2021-06-13 22:47:48,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-13 22:47:48,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:47:48,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:48:26,905 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-06-13 22:48:29,392 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-06-13 22:48:30,690 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-06-13 22:48:31,693 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-13 22:48:32,934 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-13 22:48:33,961 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-06-13 22:48:35,211 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-06-13 22:48:36,224 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-13 22:48:37,436 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2021-06-13 22:48:38,308 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-13 22:48:39,382 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-13 22:48:40,175 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-13 22:48:41,073 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-13 22:48:41,742 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-06-13 22:48:42,440 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-06-13 22:48:42,900 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-06-13 22:48:43,298 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-06-13 22:48:43,615 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-06-13 22:48:43,928 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-06-13 22:48:44,248 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-06-13 22:48:44,595 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-06-13 22:48:44,933 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-06-13 22:48:45,285 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-06-13 22:48:45,632 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-06-13 22:48:45,988 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-06-13 22:48:46,346 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-06-13 22:48:46,715 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-13 22:48:47,099 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-13 22:48:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:48:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:48:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:48:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:48:59,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:48:59,912 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 22:48:59,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:48:59,912 INFO L82 PathProgramCache]: Analyzing trace with hash 653158657, now seen corresponding path program 21 times [2021-06-13 22:48:59,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:48:59,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335026186] [2021-06-13 22:48:59,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:49:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:49:11,752 INFO L134 CoverageAnalysis]: Checked inductivity of 164185 backedges. 0 proven. 163498 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-06-13 22:49:11,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:49:11,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335026186] [2021-06-13 22:49:11,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335026186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:49:11,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495107109] [2021-06-13 22:49:11,752 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:49:17,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 216 check-sat command(s) [2021-06-13 22:49:17,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:49:17,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 4692 conjuncts, 744 conjunts are in the unsatisfiable core [2021-06-13 22:49:17,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:49:45,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 22:49:45,162 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 13 treesize of output 7 [2021-06-13 22:49:45,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 22:49:45,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 22:49:45,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 22:49:45,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-06-13 22:49:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 164185 backedges. 3 proven. 163605 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2021-06-13 22:49:45,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495107109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:49:45,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:49:45,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [116, 208] total 265 [2021-06-13 22:49:45,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971120001] [2021-06-13 22:49:45,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 266 states [2021-06-13 22:49:45,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:49:45,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 266 interpolants. [2021-06-13 22:49:45,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=69953, Unknown=0, NotChecked=0, Total=70490 [2021-06-13 22:49:45,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:49:45,402 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:49:45,403 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 266 states, 266 states have (on average 7.954887218045113) internal successors, (2116), 265 states have internal predecessors, (2116), 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) [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-13 22:49:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-13 22:49:45,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-13 22:49:45,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2021-06-13 22:49:45,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-13 22:49:45,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-06-13 22:49:45,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-13 22:49:45,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:50:18,481 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-06-13 22:50:19,540 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-06-13 22:50:20,419 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-13 22:50:21,565 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-13 22:50:22,604 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-06-13 22:50:23,756 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-06-13 22:50:24,689 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-13 22:50:25,759 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2021-06-13 22:50:26,705 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-13 22:50:27,796 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-13 22:50:28,752 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-13 22:50:29,896 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-13 22:50:30,828 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-06-13 22:50:31,956 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-06-13 22:50:32,892 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-06-13 22:50:34,028 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-06-13 22:50:35,210 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2021-06-13 22:50:36,617 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2021-06-13 22:50:37,830 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 233 [2021-06-13 22:50:38,886 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2021-06-13 22:50:39,638 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 229 [2021-06-13 22:50:40,681 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 229 [2021-06-13 22:50:41,443 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2021-06-13 22:50:42,205 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2021-06-13 22:50:43,009 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 225 [2021-06-13 22:50:43,884 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 221 [2021-06-13 22:50:44,706 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 225 [2021-06-13 22:50:45,387 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2021-06-13 22:50:46,261 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2021-06-13 22:50:47,094 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 217 [2021-06-13 22:50:47,769 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 217 [2021-06-13 22:50:48,760 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 217 [2021-06-13 22:50:49,424 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2021-06-13 22:50:50,169 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 213 [2021-06-13 22:50:50,943 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 213 [2021-06-13 22:50:51,773 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 209 [2021-06-13 22:50:52,545 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 213 [2021-06-13 22:50:53,172 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2021-06-13 22:50:53,998 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 209 [2021-06-13 22:50:54,810 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 205 [2021-06-13 22:50:55,453 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 205 [2021-06-13 22:50:56,359 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 205 [2021-06-13 22:50:56,956 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 201 [2021-06-13 22:50:57,649 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 201 [2021-06-13 22:50:58,379 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 201 [2021-06-13 22:50:59,170 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2021-06-13 22:50:59,883 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 201 [2021-06-13 22:51:00,478 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 197 [2021-06-13 22:51:01,280 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 197 [2021-06-13 22:51:02,031 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2021-06-13 22:51:02,626 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 193 [2021-06-13 22:51:03,493 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 193 [2021-06-13 22:51:04,045 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2021-06-13 22:51:04,747 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2021-06-13 22:51:05,420 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 189 [2021-06-13 22:51:06,163 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-13 22:51:06,869 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 189 [2021-06-13 22:51:07,487 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 185 [2021-06-13 22:51:08,234 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 185 [2021-06-13 22:51:08,956 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 181 [2021-06-13 22:51:09,515 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 181 [2021-06-13 22:51:10,346 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 181 [2021-06-13 22:51:10,891 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 177 [2021-06-13 22:51:11,537 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 177 [2021-06-13 22:51:12,180 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 177 [2021-06-13 22:51:12,887 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 173 [2021-06-13 22:51:13,519 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 177 [2021-06-13 22:51:14,059 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 173 [2021-06-13 22:51:14,790 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-13 22:51:15,472 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 169 [2021-06-13 22:51:16,005 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 169 [2021-06-13 22:51:16,799 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 169 [2021-06-13 22:51:17,284 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2021-06-13 22:51:17,893 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 165 [2021-06-13 22:51:18,496 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 165 [2021-06-13 22:51:19,165 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2021-06-13 22:51:19,760 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 165 [2021-06-13 22:51:20,253 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 161 [2021-06-13 22:51:20,970 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 161 [2021-06-13 22:51:21,634 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 157 [2021-06-13 22:51:22,167 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 157 [2021-06-13 22:51:22,953 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 157 [2021-06-13 22:51:23,410 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2021-06-13 22:51:23,992 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 153 [2021-06-13 22:51:24,565 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 153 [2021-06-13 22:51:25,209 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2021-06-13 22:51:25,769 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 153 [2021-06-13 22:51:26,233 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 149 [2021-06-13 22:51:26,895 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 149 [2021-06-13 22:51:27,539 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 145 [2021-06-13 22:51:27,998 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 145 [2021-06-13 22:51:28,735 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 145 [2021-06-13 22:51:29,155 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 Received shutdown request... [2021-06-13 22:51:29,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:51:29,714 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 22:51:29,731 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 22:51:29,733 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 22:51:29,733 INFO L202 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 10:51:29 BasicIcfg [2021-06-13 22:51:29,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 22:51:29,733 INFO L168 Benchmark]: Toolchain (without parser) took 785243.08 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 170.3 MB in the beginning and 427.8 MB in the end (delta: -257.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-06-13 22:51:29,733 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 171.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 22:51:29,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.64 ms. Allocated memory is still 190.8 MB. Free memory was 170.2 MB in the beginning and 168.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 22:51:29,734 INFO L168 Benchmark]: Boogie Preprocessor took 11.11 ms. Allocated memory is still 190.8 MB. Free memory was 168.7 MB in the beginning and 167.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 22:51:29,734 INFO L168 Benchmark]: RCFGBuilder took 281.59 ms. Allocated memory is still 190.8 MB. Free memory was 167.6 MB in the beginning and 152.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-06-13 22:51:29,734 INFO L168 Benchmark]: TraceAbstraction took 784924.91 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 151.7 MB in the beginning and 427.8 MB in the end (delta: -276.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-06-13 22:51:29,734 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 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 171.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.64 ms. Allocated memory is still 190.8 MB. Free memory was 170.2 MB in the beginning and 168.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.11 ms. Allocated memory is still 190.8 MB. Free memory was 168.7 MB in the beginning and 167.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 281.59 ms. Allocated memory is still 190.8 MB. Free memory was 167.6 MB in the beginning and 152.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 784924.91 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 151.7 MB in the beginning and 427.8 MB in the end (delta: -276.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 119775, positive: 100706, positive conditional: 100706, positive unconditional: 0, negative: 19069, negative conditional: 19069, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 103680, positive: 100706, positive conditional: 100706, positive unconditional: 0, negative: 2974, negative conditional: 2974, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 103680, positive: 100345, positive conditional: 0, positive unconditional: 100345, negative: 3335, negative conditional: 0, negative unconditional: 3335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 249, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 249, positive: 243, positive conditional: 0, positive unconditional: 243, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103680, positive: 100099, positive conditional: 0, positive unconditional: 100099, negative: 3332, negative conditional: 0, negative unconditional: 3332, unknown: 249, unknown conditional: 0, unknown unconditional: 249] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082, SemanticConditionEliminator.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46655, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 46294, negative conditional: 22212, negative unconditional: 24082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1237, positive: 38, positive conditional: 35, positive unconditional: 3, negative: 1199, negative conditional: 1196, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2398, positive: 120, positive conditional: 66, positive unconditional: 54, negative: 2278, negative conditional: 2256, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46655, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 45098, negative conditional: 21016, negative unconditional: 24082, unknown: 1231, unknown conditional: 1231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1480, Positive cache size: 281, Positive conditional cache size: 35, Positive unconditional cache size: 246, Negative cache size: 1199, Negative conditional cache size: 1196, Negative unconditional cache size: 3, Eliminated conditions: 24082 ], Maximal queried relation: 21, Independence queries for same thread: 16095 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 400 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 784831.9ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 545539.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1520, 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: 1251.3ms SsaConstructionTime, 53029.3ms SatisfiabilityAnalysisTime, 179895.3ms InterpolantComputationTime, 38814 NumberOfCodeBlocks, 38814 NumberOfCodeBlocksAsserted, 1137 NumberOfCheckSat, 38772 ConstructedInterpolants, 4449 QuantifiedInterpolants, 423709 SizeOfPredicates, 46 NumberOfNonLiveVariables, 46978 ConjunctsInSsa, 6074 ConjunctsInUnsatCore, 42 InterpolantComputations, 1 PerfectInterpolantSequences, 14191/2201556 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