/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 16:27:07,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 16:27:07,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 16:27:07,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 16:27:07,483 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-14 16:27:07,505 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 16:27:07,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 16:27:07,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 16:27:07,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 16:27:07,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 16:27:07,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 16:27:07,506 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 16:27:07,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 16:27:07,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 16:27:07,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 16:27:07,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 16:27:07,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 16:27:07,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 16:27:07,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 16:27:07,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 16:27:07,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 16:27:07,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 16:27:07,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 16:27:07,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 16:27:07,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 16:27:07,515 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 16:27:07,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 16:27:07,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 16:27:07,516 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 16:27:07,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 16:27:07,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 16:27:07,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 16:27:07,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 16:27:07,787 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 16:27:07,788 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 16:27:07,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-07-14 16:27:07,789 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-07-14 16:27:07,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 16:27:07,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 16:27:07,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 16:27:07,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 16:27:07,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 16:27:07,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 16:27:07,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 16:27:07,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 16:27:07,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 16:27:07,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/1) ... [2021-07-14 16:27:07,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 16:27:07,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 16:27:07,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 16:27:07,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 16:27:07,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (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 [2021-07-14 16:27:07,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 16:27:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 16:27:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 16:27:07,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 16:27:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 16:27:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 16:27:07,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 16:27:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 16:27:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 16:27:07,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 16:27:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 16:27:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 16:27:07,942 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 16:27:08,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 16:27:08,224 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 16:27:08,230 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:27:08 BoogieIcfgContainer [2021-07-14 16:27:08,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 16:27:08,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 16:27:08,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 16:27:08,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 16:27:08,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:07" (1/2) ... [2021-07-14 16:27:08,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8b799 and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:27:08, skipping insertion in model container [2021-07-14 16:27:08,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:27:08" (2/2) ... [2021-07-14 16:27:08,235 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-07-14 16:27:08,238 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 16:27:08,238 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 16:27:08,238 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 16:27:08,239 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 16:27:08,268 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 16:27:08,283 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 [2021-07-14 16:27:08,329 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 16:27:08,329 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 16:27:08,330 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 16:27:08,330 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 16:27:08,330 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 16:27:08,330 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 16:27:08,330 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 16:27:08,331 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 16:27:08,480 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:08,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:08,486 INFO L82 PathProgramCache]: Analyzing trace with hash -838814465, now seen corresponding path program 1 times [2021-07-14 16:27:08,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:08,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779810347] [2021-07-14 16:27:08,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:27:08,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:08,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779810347] [2021-07-14 16:27:08,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779810347] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 16:27:08,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 16:27:08,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 16:27:08,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491411458] [2021-07-14 16:27:08,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 16:27:08,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:08,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 16:27:08,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 16:27:08,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:08,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:08,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-07-14 16:27:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:08,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 16:27:08,660 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:08,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:08,663 INFO L82 PathProgramCache]: Analyzing trace with hash -207610783, now seen corresponding path program 2 times [2021-07-14 16:27:08,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:08,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488417091] [2021-07-14 16:27:08,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:27:08,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:08,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488417091] [2021-07-14 16:27:08,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488417091] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:08,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012074673] [2021-07-14 16:27:08,735 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 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 [2021-07-14 16:27:08,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:27:08,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:08,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 16:27:08,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:09,070 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 7 treesize of output 3 [2021-07-14 16:27:09,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:09,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:09,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 16:27:09,093 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-07-14 16:27:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:27:09,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012074673] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:09,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:09,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-14 16:27:09,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283857809] [2021-07-14 16:27:09,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 16:27:09,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:09,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 16:27:09,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-14 16:27:09,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:09,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:09,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 states have internal predecessors, (59), 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) [2021-07-14 16:27:09,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:09,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:09,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:09,579 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:09,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:09,580 INFO L82 PathProgramCache]: Analyzing trace with hash -701174841, now seen corresponding path program 3 times [2021-07-14 16:27:09,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:09,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362071221] [2021-07-14 16:27:09,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 16:27:09,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:09,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362071221] [2021-07-14 16:27:09,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362071221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:09,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109141388] [2021-07-14 16:27:09,925 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 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 [2021-07-14 16:27:09,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 16:27:09,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:09,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 16:27:09,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:10,164 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:27:10,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-07-14 16:27:10,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:10,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:10,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:10,178 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:9 [2021-07-14 16:27:10,314 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 [2021-07-14 16:27:10,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:10,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:10,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:10,318 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:27:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:27:10,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109141388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:10,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:10,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 25 [2021-07-14 16:27:10,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611710057] [2021-07-14 16:27:10,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 16:27:10,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:10,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 16:27:10,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2021-07-14 16:27:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:10,371 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:10,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 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) [2021-07-14 16:27:10,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:10,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:10,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:11,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:11,449 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:11,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:11,450 INFO L82 PathProgramCache]: Analyzing trace with hash -134283570, now seen corresponding path program 4 times [2021-07-14 16:27:11,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:11,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855372241] [2021-07-14 16:27:11,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:11,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:11,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855372241] [2021-07-14 16:27:11,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855372241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:11,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066468991] [2021-07-14 16:27:11,856 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 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 [2021-07-14 16:27:11,916 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 16:27:11,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:11,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 16:27:11,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:12,037 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 16:27:12,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-07-14 16:27:12,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:12,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:12,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:12,043 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2021-07-14 16:27:12,150 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 [2021-07-14 16:27:12,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:12,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:12,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:12,153 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:27:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 16:27:12,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066468991] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:12,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:12,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11] total 29 [2021-07-14 16:27:12,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631634614] [2021-07-14 16:27:12,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 16:27:12,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:12,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 16:27:12,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2021-07-14 16:27:12,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:12,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:12,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.6) internal successors, (108), 29 states have internal predecessors, (108), 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) [2021-07-14 16:27:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:12,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:12,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:12,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:13,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:13,353 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:13,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:13,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1948281524, now seen corresponding path program 5 times [2021-07-14 16:27:13,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:13,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702454519] [2021-07-14 16:27:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-14 16:27:13,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:13,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702454519] [2021-07-14 16:27:13,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702454519] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:13,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244893484] [2021-07-14 16:27:13,634 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 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 [2021-07-14 16:27:13,680 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 16:27:13,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:13,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 16:27:13,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:13,879 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-14 16:27:13,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-07-14 16:27:13,881 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:13,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:13,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:13,884 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:9 [2021-07-14 16:27:13,987 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 [2021-07-14 16:27:13,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:13,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:13,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:13,990 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:27:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 16:27:14,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244893484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:14,043 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:14,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-14 16:27:14,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420449582] [2021-07-14 16:27:14,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 16:27:14,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:14,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 16:27:14,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2021-07-14 16:27:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:14,045 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:14,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.962962962962963) internal successors, (107), 26 states have internal predecessors, (107), 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) [2021-07-14 16:27:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:14,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 16:27:15,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 16:27:15,088 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:15,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:15,088 INFO L82 PathProgramCache]: Analyzing trace with hash -327852031, now seen corresponding path program 6 times [2021-07-14 16:27:15,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:15,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479158181] [2021-07-14 16:27:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-14 16:27:15,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:15,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479158181] [2021-07-14 16:27:15,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479158181] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:15,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718443580] [2021-07-14 16:27:15,406 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 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 [2021-07-14 16:27:15,470 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-14 16:27:15,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:15,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 16:27:15,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:15,838 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-14 16:27:15,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 16 [2021-07-14 16:27:15,841 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:15,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:15,844 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:15,844 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:9 [2021-07-14 16:27:16,066 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 [2021-07-14 16:27:16,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:16,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:16,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:16,069 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:27:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 16:27:16,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718443580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:16,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:16,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 34 [2021-07-14 16:27:16,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703210299] [2021-07-14 16:27:16,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 16:27:16,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:16,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 16:27:16,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1071, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 16:27:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:16,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:16,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.5142857142857142) internal successors, (123), 34 states have internal predecessors, (123), 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) [2021-07-14 16:27:16,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:16,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:16,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:16,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:16,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 16:27:16,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:18,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:18,772 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:18,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:18,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1787234547, now seen corresponding path program 7 times [2021-07-14 16:27:18,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:18,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341714059] [2021-07-14 16:27:18,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-14 16:27:18,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:18,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341714059] [2021-07-14 16:27:18,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341714059] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:18,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569936331] [2021-07-14 16:27:18,856 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 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 [2021-07-14 16:27:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:18,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 16:27:18,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:18,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:18,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:18,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:18,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:18,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-07-14 16:27:19,000 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:19,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:19,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:19,002 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:5 [2021-07-14 16:27:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-14 16:27:19,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569936331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:19,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:19,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 13 [2021-07-14 16:27:19,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379685753] [2021-07-14 16:27:19,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 16:27:19,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:19,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 16:27:19,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2021-07-14 16:27:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:19,077 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:19,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:19,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:19,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:19,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:19,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:19,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:19,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:19,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:19,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:19,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:19,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:19,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:19,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:19,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:19,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:19,337 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:19,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:19,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1022776597, now seen corresponding path program 8 times [2021-07-14 16:27:19,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:19,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914800348] [2021-07-14 16:27:19,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:19,730 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 237 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:19,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:19,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914800348] [2021-07-14 16:27:19,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914800348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:19,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560554650] [2021-07-14 16:27:19,730 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 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 [2021-07-14 16:27:19,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:27:19,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:19,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 16:27:19,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:20,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:27:20,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:20,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:20,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-07-14 16:27:20,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:20,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:20,291 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:20,291 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:9 [2021-07-14 16:27:20,380 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 [2021-07-14 16:27:20,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:20,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:20,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:20,382 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:27:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 16:27:20,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560554650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:20,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:20,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19] total 34 [2021-07-14 16:27:20,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747807476] [2021-07-14 16:27:20,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 16:27:20,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:20,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 16:27:20,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 16:27:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:20,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:20,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.3714285714285714) internal successors, (118), 34 states have internal predecessors, (118), 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) [2021-07-14 16:27:20,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:20,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:20,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:20,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:20,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:20,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:20,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:20,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:21,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 16:27:21,577 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:21,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:21,577 INFO L82 PathProgramCache]: Analyzing trace with hash 75168601, now seen corresponding path program 9 times [2021-07-14 16:27:21,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:21,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692337348] [2021-07-14 16:27:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 21 proven. 238 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:22,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:22,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692337348] [2021-07-14 16:27:22,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692337348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:22,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331069277] [2021-07-14 16:27:22,031 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 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 [2021-07-14 16:27:22,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-07-14 16:27:22,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:22,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 16:27:22,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:22,586 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-14 16:27:22,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 19 [2021-07-14 16:27:22,589 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:22,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:22,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:22,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:9 [2021-07-14 16:27:22,808 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 [2021-07-14 16:27:22,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:22,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:22,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:22,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:27:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:22,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331069277] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:22,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:22,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 43 [2021-07-14 16:27:22,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472856756] [2021-07-14 16:27:22,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-14 16:27:22,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:22,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-14 16:27:22,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1700, Unknown=0, NotChecked=0, Total=1892 [2021-07-14 16:27:22,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:22,822 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:22,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 3.5) internal successors, (154), 43 states have internal predecessors, (154), 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) [2021-07-14 16:27:22,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:22,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:22,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:22,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:22,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:22,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:22,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:22,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:22,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:24,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:24,177 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:24,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:24,177 INFO L82 PathProgramCache]: Analyzing trace with hash 532129726, now seen corresponding path program 10 times [2021-07-14 16:27:24,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:24,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341099072] [2021-07-14 16:27:24,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:24,701 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:24,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341099072] [2021-07-14 16:27:24,702 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341099072] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:24,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979311026] [2021-07-14 16:27:24,702 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 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 [2021-07-14 16:27:24,761 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 16:27:24,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:24,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 16:27:24,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:26,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 16:27:26,474 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:26,482 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 16:27:26,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 16:27:26,483 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:26,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:26,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 16:27:26,541 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:241, output treesize:193 [2021-07-14 16:27:27,058 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-07-14 16:27:27,438 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_9, q3, v_prenex_2, v_prenex_6], 45=[v_prenex_8, q1]} [2021-07-14 16:27:27,446 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:27:27,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-07-14 16:27:27,447 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:27,569 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 16:27:27,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:27,580 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:27:27,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-07-14 16:27:27,581 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:27,700 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-14 16:27:27,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:27,711 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:27:27,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-07-14 16:27:27,712 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:27,830 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-07-14 16:27:27,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:27,837 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 16:27:27,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-07-14 16:27:27,838 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:27,941 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-07-14 16:27:27,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:28,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 36 [2021-07-14 16:27:28,008 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:28,015 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-07-14 16:27:28,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 78 treesize of output 36 [2021-07-14 16:27:28,019 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:28,066 INFO L628 ElimStorePlain]: treesize reduction 170, result has 19.4 percent of original size [2021-07-14 16:27:28,066 INFO L518 ElimStorePlain]: Eliminatee q1 vanished before elimination [2021-07-14 16:27:28,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 16:27:28,067 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:441, output treesize:37 [2021-07-14 16:27:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-14 16:27:28,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979311026] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:28,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:28,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 56 [2021-07-14 16:27:28,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729358603] [2021-07-14 16:27:28,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 16:27:28,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:28,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 16:27:28,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=3019, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 16:27:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:28,221 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:28,221 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.3859649122807016) internal successors, (193), 56 states have internal predecessors, (193), 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) [2021-07-14 16:27:28,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:28,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:28,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:28,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:28,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:28,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:28,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:28,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:30,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:30,413 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:30,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:30,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1380372833, now seen corresponding path program 11 times [2021-07-14 16:27:30,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:30,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141109610] [2021-07-14 16:27:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 461 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 16:27:31,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:31,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141109610] [2021-07-14 16:27:31,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141109610] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:31,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034256364] [2021-07-14 16:27:31,079 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 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 [2021-07-14 16:27:31,147 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-07-14 16:27:31,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:31,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 16:27:31,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:32,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:27:32,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:32,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 28 [2021-07-14 16:27:32,611 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:32,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:32,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:32,617 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:9 [2021-07-14 16:27:32,748 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 [2021-07-14 16:27:32,749 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:32,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:32,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:32,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:27:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:32,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034256364] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:32,760 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:32,760 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 53 [2021-07-14 16:27:32,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718297509] [2021-07-14 16:27:32,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-14 16:27:32,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:32,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-14 16:27:32,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2725, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 16:27:32,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:32,762 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:32,762 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 3.1666666666666665) internal successors, (171), 53 states have internal predecessors, (171), 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) [2021-07-14 16:27:32,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:32,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:34,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:35,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-14 16:27:35,113 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:35,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:35,113 INFO L82 PathProgramCache]: Analyzing trace with hash 2473954, now seen corresponding path program 12 times [2021-07-14 16:27:35,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:35,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809978578] [2021-07-14 16:27:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:35,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:35,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809978578] [2021-07-14 16:27:35,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809978578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:35,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064771022] [2021-07-14 16:27:35,927 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 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 [2021-07-14 16:27:36,007 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-07-14 16:27:36,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:36,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 16:27:36,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:38,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:27:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:38,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 34 [2021-07-14 16:27:38,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:38,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:38,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:38,188 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:13 [2021-07-14 16:27:38,397 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 [2021-07-14 16:27:38,398 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:38,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:38,400 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:38,400 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:27:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 16:27:38,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064771022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:38,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:38,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 65 [2021-07-14 16:27:38,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242514392] [2021-07-14 16:27:38,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 16:27:38,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:38,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 16:27:38,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4125, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 16:27:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:38,411 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:38,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 3.212121212121212) internal successors, (212), 65 states have internal predecessors, (212), 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) [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:38,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:41,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:41,752 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:41,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:41,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1428666431, now seen corresponding path program 13 times [2021-07-14 16:27:41,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:41,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427965760] [2021-07-14 16:27:41,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 358 proven. 64 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-07-14 16:27:41,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:41,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427965760] [2021-07-14 16:27:41,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427965760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:41,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323110199] [2021-07-14 16:27:41,893 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 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 [2021-07-14 16:27:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:41,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 16:27:41,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:42,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:42,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-07-14 16:27:42,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:42,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:42,138 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:42,138 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:5 [2021-07-14 16:27:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 358 proven. 64 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-07-14 16:27:42,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323110199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:42,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:42,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 25 [2021-07-14 16:27:42,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544189106] [2021-07-14 16:27:42,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 16:27:42,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:42,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 16:27:42,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=430, Unknown=0, NotChecked=0, Total=650 [2021-07-14 16:27:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:42,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:42,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 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) [2021-07-14 16:27:42,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:42,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:42,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:42,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:42,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:42,538 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-14 16:27:42,538 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:42,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:42,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1593357089, now seen corresponding path program 14 times [2021-07-14 16:27:42,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:42,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881925243] [2021-07-14 16:27:42,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 87 proven. 576 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:43,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:43,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881925243] [2021-07-14 16:27:43,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881925243] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:43,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039792279] [2021-07-14 16:27:43,277 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 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 [2021-07-14 16:27:43,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:27:43,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:43,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 16:27:43,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:44,742 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-07-14 16:27:44,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 71 treesize of output 31 [2021-07-14 16:27:44,745 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:44,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:44,748 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:44,748 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:9 [2021-07-14 16:27:44,850 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 15 treesize of output 7 [2021-07-14 16:27:44,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:44,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:44,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:44,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-14 16:27:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:44,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039792279] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:44,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:44,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 67 [2021-07-14 16:27:44,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484379709] [2021-07-14 16:27:44,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-07-14 16:27:44,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:44,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-07-14 16:27:44,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=4137, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 16:27:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:44,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:44,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 3.0441176470588234) internal successors, (207), 67 states have internal predecessors, (207), 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) [2021-07-14 16:27:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:44,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:44,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:44,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:44,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:44,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:44,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:27:47,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:47,713 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:47,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1450968570, now seen corresponding path program 15 times [2021-07-14 16:27:47,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:47,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187901896] [2021-07-14 16:27:47,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:27:48,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:48,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187901896] [2021-07-14 16:27:48,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187901896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:48,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890465113] [2021-07-14 16:27:48,945 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 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 [2021-07-14 16:27:49,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-07-14 16:27:49,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:49,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 16:27:49,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:51,004 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-07-14 16:27:51,322 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-07-14 16:27:51,712 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-14 16:27:51,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:51,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 16:27:51,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:51,951 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 16:27:51,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 16:27:51,952 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:52,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:52,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 16:27:52,023 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:297, output treesize:249 [2021-07-14 16:27:52,911 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-07-14 16:27:53,215 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-14 16:27:53,371 INFO L446 ElimStorePlain]: Different costs {1=[q3, v_prenex_13, v_prenex_11, v_prenex_18, v_prenex_15], 91=[v_prenex_17], 105=[q1]} [2021-07-14 16:27:53,382 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 16:27:53,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2021-07-14 16:27:53,383 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:53,606 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-07-14 16:27:53,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:53,622 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:27:53,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2021-07-14 16:27:53,623 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:53,844 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-07-14 16:27:53,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:53,853 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:27:53,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2021-07-14 16:27:53,854 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:54,085 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-07-14 16:27:54,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:54,093 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:27:54,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2021-07-14 16:27:54,094 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:54,295 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-14 16:27:54,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:54,303 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:27:54,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2021-07-14 16:27:54,304 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:54,492 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-14 16:27:54,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2021-07-14 16:27:54,595 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 53 [2021-07-14 16:27:54,668 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:54,791 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-07-14 16:27:54,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2021-07-14 16:27:54,891 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:54,996 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-07-14 16:27:54,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 53 [2021-07-14 16:27:55,004 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:55,012 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-14 16:27:55,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 115 treesize of output 51 [2021-07-14 16:27:55,016 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:55,054 INFO L628 ElimStorePlain]: treesize reduction 28, result has 63.2 percent of original size [2021-07-14 16:27:55,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 16:27:55,054 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 12 variables, input treesize:711, output treesize:48 [2021-07-14 16:27:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 8 proven. 490 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-07-14 16:27:55,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890465113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:55,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:55,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 31] total 75 [2021-07-14 16:27:55,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590345756] [2021-07-14 16:27:55,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-07-14 16:27:55,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:55,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-07-14 16:27:55,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=5443, Unknown=0, NotChecked=0, Total=5700 [2021-07-14 16:27:55,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:55,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:55,457 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.0789473684210527) internal successors, (234), 75 states have internal predecessors, (234), 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) [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:55,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:55,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:55,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:55,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:55,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:55,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:27:55,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:59,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:27:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:00,194 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-14 16:28:00,194 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:00,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:00,194 INFO L82 PathProgramCache]: Analyzing trace with hash 533773927, now seen corresponding path program 16 times [2021-07-14 16:28:00,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:00,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154088997] [2021-07-14 16:28:00,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 16:28:01,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:01,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154088997] [2021-07-14 16:28:01,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154088997] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:01,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311383378] [2021-07-14 16:28:01,568 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 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 [2021-07-14 16:28:01,657 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 16:28:01,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:01,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 81 conjunts are in the unsatisfiable core [2021-07-14 16:28:01,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:04,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:04,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2021-07-14 16:28:04,853 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:04,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:04,859 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:04,859 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:9 [2021-07-14 16:28:05,028 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 [2021-07-14 16:28:05,029 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:05,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:05,030 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:05,030 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:28:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 16:28:05,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311383378] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:05,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:05,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47] total 80 [2021-07-14 16:28:05,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224586755] [2021-07-14 16:28:05,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-07-14 16:28:05,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:05,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-07-14 16:28:05,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=6280, Unknown=0, NotChecked=0, Total=6480 [2021-07-14 16:28:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:05,043 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:05,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 3.037037037037037) internal successors, (246), 80 states have internal predecessors, (246), 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) [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:09,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:10,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-14 16:28:10,024 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:10,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:10,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1610656214, now seen corresponding path program 17 times [2021-07-14 16:28:10,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:10,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343570340] [2021-07-14 16:28:10,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:28:11,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:11,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343570340] [2021-07-14 16:28:11,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343570340] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:11,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437544360] [2021-07-14 16:28:11,532 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 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 [2021-07-14 16:28:11,627 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-07-14 16:28:11,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:11,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-14 16:28:11,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:15,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:15,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:15,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 40 [2021-07-14 16:28:15,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:15,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:15,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:15,428 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:105, output treesize:9 [2021-07-14 16:28:15,599 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 [2021-07-14 16:28:15,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:15,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:15,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:15,603 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 16:28:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:28:15,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437544360] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:15,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:15,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 51] total 87 [2021-07-14 16:28:15,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201441374] [2021-07-14 16:28:15,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-14 16:28:15,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:15,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-14 16:28:15,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=7438, Unknown=0, NotChecked=0, Total=7656 [2021-07-14 16:28:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:15,616 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:15,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.9886363636363638) internal successors, (263), 87 states have internal predecessors, (263), 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) [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:15,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:28:20,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:20,985 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:20,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:20,985 INFO L82 PathProgramCache]: Analyzing trace with hash 2054374407, now seen corresponding path program 18 times [2021-07-14 16:28:20,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:20,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824455094] [2021-07-14 16:28:20,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 652 proven. 144 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-07-14 16:28:21,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:21,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824455094] [2021-07-14 16:28:21,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824455094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:21,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547546694] [2021-07-14 16:28:21,279 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 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 [2021-07-14 16:28:21,423 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-07-14 16:28:21,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:21,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 16:28:21,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:21,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:21,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2021-07-14 16:28:21,761 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:21,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:21,762 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:21,762 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:5 [2021-07-14 16:28:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 652 proven. 144 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-07-14 16:28:21,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547546694] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:21,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:21,927 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 37 [2021-07-14 16:28:21,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436436576] [2021-07-14 16:28:21,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 16:28:21,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:21,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 16:28:21,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=956, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 16:28:21,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:21,928 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:21,928 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.763157894736842) internal successors, (143), 37 states have internal predecessors, (143), 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) [2021-07-14 16:28:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:28:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:28:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 16:28:22,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-07-14 16:28:22,252 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:22,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:22,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1675480343, now seen corresponding path program 19 times [2021-07-14 16:28:22,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:22,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94960645] [2021-07-14 16:28:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 1259 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 16:28:23,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:23,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94960645] [2021-07-14 16:28:23,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94960645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:23,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550943050] [2021-07-14 16:28:23,796 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 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 [2021-07-14 16:28:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:23,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 105 conjunts are in the unsatisfiable core [2021-07-14 16:28:23,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:27,873 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-07-14 16:28:28,562 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-07-14 16:28:28,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:28,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 16:28:28,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:28,845 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 16:28:28,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-14 16:28:28,846 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:28,947 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-07-14 16:28:28,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:28,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 16:28:28,949 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:339, output treesize:291 [2021-07-14 16:28:29,934 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-07-14 16:28:30,254 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-07-14 16:28:30,467 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_25, v_prenex_23, v_prenex_28], 3=[q3], 120=[q1], 153=[v_prenex_27]} [2021-07-14 16:28:30,475 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:28:30,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-07-14 16:28:30,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:30,732 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-07-14 16:28:30,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:30,741 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:28:30,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-07-14 16:28:30,742 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:30,984 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-14 16:28:30,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:30,992 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 16:28:30,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-07-14 16:28:30,993 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:31,229 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-07-14 16:28:31,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:31,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-14 16:28:31,242 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:31,249 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 16:28:31,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-07-14 16:28:31,250 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:31,473 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-14 16:28:31,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,630 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-07-14 16:28:31,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 57 [2021-07-14 16:28:31,637 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:31,660 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-14 16:28:31,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 106 treesize of output 46 [2021-07-14 16:28:31,665 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:31,870 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-07-14 16:28:31,871 INFO L628 ElimStorePlain]: treesize reduction 135, result has 69.1 percent of original size [2021-07-14 16:28:31,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:31,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:32,034 INFO L244 Elim1Store]: Index analysis took 159 ms [2021-07-14 16:28:32,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 57 [2021-07-14 16:28:32,040 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:32,049 INFO L354 Elim1Store]: treesize reduction 1632, result has 0.1 percent of original size [2021-07-14 16:28:32,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 129 treesize of output 57 [2021-07-14 16:28:32,056 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:32,091 INFO L628 ElimStorePlain]: treesize reduction 12, result has 79.3 percent of original size [2021-07-14 16:28:32,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 16:28:32,091 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 12 variables, input treesize:789, output treesize:42 [2021-07-14 16:28:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 959 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-07-14 16:28:32,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550943050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:32,347 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:32,347 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 44] total 100 [2021-07-14 16:28:32,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582172679] [2021-07-14 16:28:32,348 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-07-14 16:28:32,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:32,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-07-14 16:28:32,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=9621, Unknown=0, NotChecked=0, Total=10100 [2021-07-14 16:28:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:32,350 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:32,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 3.227722772277228) internal successors, (326), 100 states have internal predecessors, (326), 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) [2021-07-14 16:28:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 16:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:28:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 16:28:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 16:28:34,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:34,611 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:34,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:34,611 INFO L82 PathProgramCache]: Analyzing trace with hash -825647315, now seen corresponding path program 20 times [2021-07-14 16:28:34,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:34,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542657445] [2021-07-14 16:28:34,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 92 proven. 935 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-07-14 16:28:35,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:35,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542657445] [2021-07-14 16:28:35,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542657445] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:35,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988255908] [2021-07-14 16:28:35,272 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 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 [2021-07-14 16:28:35,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:28:35,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:35,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 97 conjunts are in the unsatisfiable core [2021-07-14 16:28:35,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:38,248 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-07-14 16:28:38,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 95 treesize of output 43 [2021-07-14 16:28:38,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:38,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:38,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:38,257 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:100, output treesize:9 [2021-07-14 16:28:39,115 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 15 treesize of output 7 [2021-07-14 16:28:39,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:39,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:39,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:39,117 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-14 16:28:39,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 0 proven. 1331 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 16:28:39,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988255908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:39,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:39,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 55] total 88 [2021-07-14 16:28:39,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152424726] [2021-07-14 16:28:39,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-14 16:28:39,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:39,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-14 16:28:39,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=7380, Unknown=0, NotChecked=0, Total=7832 [2021-07-14 16:28:39,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:39,241 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:39,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 3.606741573033708) internal successors, (321), 88 states have internal predecessors, (321), 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) [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 16:28:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 16:28:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 16:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 16:28:46,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:46,637 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:46,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:46,637 INFO L82 PathProgramCache]: Analyzing trace with hash 2083988496, now seen corresponding path program 21 times [2021-07-14 16:28:46,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:46,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033748057] [2021-07-14 16:28:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown