/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:31:16,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:31:16,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:31:16,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:31:16,518 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-Lockstep.epf [2021-07-14 19:31:16,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:31:16,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:31:16,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:31:16,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:31:16,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:31:16,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:31:16,568 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:31:16,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:31:16,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:31:16,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:31:16,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:31:16,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:31:16,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:31:16,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:31:16,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:31:16,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:31:16,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:31:16,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:31:16,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:31:16,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:31:16,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:31:16,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:31:16,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:31:16,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:31:16,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:31:16,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:31:16,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:31:16,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:31:16,573 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 19:31:16,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:31:16,573 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:31:16,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:31:16,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:31:16,574 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:31:16,574 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:31:16,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:31:16,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:31:16,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:31:16,942 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 19:31:16,943 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 19:31:16,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-07-14 19:31:16,944 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-07-14 19:31:16,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:31:16,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 19:31:16,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:31:16,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:31:16,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:31:16,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:31:17,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:31:17,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:31:17,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:31:17,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/1) ... [2021-07-14 19:31:17,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:31:17,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:31:17,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:31:17,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:31:17,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (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 19:31:17,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 19:31:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 19:31:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 19:31:17,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 19:31:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 19:31:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 19:31:17,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 19:31:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:31:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:31:17,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 19:31:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 19:31:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 19:31:17,106 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 19:31:17,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:31:17,289 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 19:31:17,291 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:31:17 BoogieIcfgContainer [2021-07-14 19:31:17,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:31:17,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:31:17,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:31:17,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:31:17,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:31:16" (1/2) ... [2021-07-14 19:31:17,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1c59ba and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:31:17, skipping insertion in model container [2021-07-14 19:31:17,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:31:17" (2/2) ... [2021-07-14 19:31:17,298 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-07-14 19:31:17,304 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:31:17,304 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:31:17,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:31:17,305 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:31:17,338 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 19:31:17,358 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 19:31:17,407 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:31:17,407 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:31:17,407 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:31:17,408 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:31:17,408 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:31:17,408 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:31:17,408 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:31:17,408 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:31:17,542 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:17,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:17,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1567474097, now seen corresponding path program 1 times [2021-07-14 19:31:17,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:17,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723597860] [2021-07-14 19:31:17,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:17,770 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 19:31:17,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:17,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723597860] [2021-07-14 19:31:17,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723597860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:17,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526931080] [2021-07-14 19:31:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:17,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 19:31:17,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 19:31:18,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526931080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:18,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:18,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 19:31:18,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989722292] [2021-07-14 19:31:18,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 19:31:18,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:18,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 19:31:18,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 19:31:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:18,145 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:18,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 19:31:18,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:18,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 19:31:18,515 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:18,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:18,516 INFO L82 PathProgramCache]: Analyzing trace with hash 578274737, now seen corresponding path program 2 times [2021-07-14 19:31:18,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:18,516 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258218511] [2021-07-14 19:31:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:31:18,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:18,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258218511] [2021-07-14 19:31:18,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258218511] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:18,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109120104] [2021-07-14 19:31:18,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:18,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:31:18,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:18,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 19:31:18,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:31:18,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109120104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:18,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:18,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 19:31:18,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697447874] [2021-07-14 19:31:18,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 19:31:18,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:18,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 19:31:18,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 19:31:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:18,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:18,934 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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 19:31:18,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:18,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:19,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:19,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:19,291 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:19,291 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:19,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1058602131, now seen corresponding path program 3 times [2021-07-14 19:31:19,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:19,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731265879] [2021-07-14 19:31:19,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:19,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:19,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731265879] [2021-07-14 19:31:19,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731265879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:19,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958807050] [2021-07-14 19:31:19,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:19,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 19:31:19,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:19,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 19:31:19,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:19,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958807050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:19,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:19,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-14 19:31:19,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906161457] [2021-07-14 19:31:19,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 19:31:19,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:19,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 19:31:19,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-07-14 19:31:19,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:19,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:19,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:19,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:19,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:19,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:20,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:20,025 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:20,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:20,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1203240203, now seen corresponding path program 4 times [2021-07-14 19:31:20,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:20,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821082199] [2021-07-14 19:31:20,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:20,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:20,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821082199] [2021-07-14 19:31:20,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821082199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:20,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038728420] [2021-07-14 19:31:20,682 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:20,737 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:31:20,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:20,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 19:31:20,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:21,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:21,567 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:21,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 39 [2021-07-14 19:31:21,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:21,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:21,595 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 19:31:21,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:3 [2021-07-14 19:31:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:21,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038728420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:21,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:21,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 26 [2021-07-14 19:31:21,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309345626] [2021-07-14 19:31:21,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 19:31:21,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:21,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 19:31:21,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2021-07-14 19:31:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:21,628 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:21,629 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.269230769230769) internal successors, (59), 26 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 19:31:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:22,759 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2021-07-14 19:31:23,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:23,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:23,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:23,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 19:31:23,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:23,640 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:23,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:23,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1580271401, now seen corresponding path program 5 times [2021-07-14 19:31:23,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:23,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440285740] [2021-07-14 19:31:23,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:23,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:23,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440285740] [2021-07-14 19:31:23,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440285740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:23,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031847958] [2021-07-14 19:31:23,785 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:23,823 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 19:31:23,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:23,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 19:31:23,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:24,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031847958] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:24,091 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:24,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-07-14 19:31:24,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774860466] [2021-07-14 19:31:24,092 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 19:31:24,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:24,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 19:31:24,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-07-14 19:31:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:24,093 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:24,093 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 24 states have internal predecessors, (61), 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 19:31:24,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:24,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:24,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:24,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 19:31:24,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:24,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:24,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:25,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:25,073 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:25,074 INFO L82 PathProgramCache]: Analyzing trace with hash -366388957, now seen corresponding path program 6 times [2021-07-14 19:31:25,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:25,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787505193] [2021-07-14 19:31:25,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:25,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:25,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787505193] [2021-07-14 19:31:25,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787505193] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:25,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006443799] [2021-07-14 19:31:25,212 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:25,251 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 19:31:25,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:25,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 19:31:25,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:25,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006443799] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:25,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:25,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 27 [2021-07-14 19:31:25,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310074210] [2021-07-14 19:31:25,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 19:31:25,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:25,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 19:31:25,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-07-14 19:31:25,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:25,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:25,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.740740740740741) internal successors, (74), 27 states have internal predecessors, (74), 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 19:31:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:25,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:25,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:25,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:25,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:25,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:26,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:26,009 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:26,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:26,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1347767557, now seen corresponding path program 7 times [2021-07-14 19:31:26,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:26,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686193822] [2021-07-14 19:31:26,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:26,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:26,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686193822] [2021-07-14 19:31:26,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686193822] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:26,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321284011] [2021-07-14 19:31:26,189 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:26,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 19:31:26,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:26,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321284011] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:26,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:26,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 19:31:26,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795334576] [2021-07-14 19:31:26,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 19:31:26,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:26,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 19:31:26,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 19:31:26,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:26,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:26,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.4827586206896552) internal successors, (72), 29 states have internal predecessors, (72), 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 19:31:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:26,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:26,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:27,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 19:31:27,005 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:27,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:27,005 INFO L82 PathProgramCache]: Analyzing trace with hash -615264153, now seen corresponding path program 8 times [2021-07-14 19:31:27,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:27,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724592793] [2021-07-14 19:31:27,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:27,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:27,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724592793] [2021-07-14 19:31:27,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724592793] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:27,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054667232] [2021-07-14 19:31:27,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:27,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:31:27,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:27,837 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 19:31:27,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:29,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:29,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:29,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:29,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:29,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:29,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 31 [2021-07-14 19:31:29,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:29,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:29,061 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 19:31:29,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:109, output treesize:7 [2021-07-14 19:31:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:29,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054667232] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:29,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:29,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 33 [2021-07-14 19:31:29,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483526956] [2021-07-14 19:31:29,096 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 19:31:29,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:29,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 19:31:29,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=967, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 19:31:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:29,097 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:29,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.303030303030303) internal successors, (76), 33 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:29,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:29,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:29,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:29,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:29,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:29,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:29,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:29,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:31,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:31,238 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:31,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:31,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1598094519, now seen corresponding path program 9 times [2021-07-14 19:31:31,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:31,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688079142] [2021-07-14 19:31:31,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:31,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:31,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688079142] [2021-07-14 19:31:31,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688079142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:31,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750033885] [2021-07-14 19:31:31,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:31,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 19:31:31,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:31,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 19:31:31,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 49 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:31,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750033885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:31,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:31,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 35 [2021-07-14 19:31:31,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246655979] [2021-07-14 19:31:31,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 19:31:31,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:31,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 19:31:31,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 19:31:31,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:31,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:31,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.4) internal successors, (84), 35 states have internal predecessors, (84), 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 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:32,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:32,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:33,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:33,141 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:33,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:33,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2086704577, now seen corresponding path program 10 times [2021-07-14 19:31:33,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:33,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555951529] [2021-07-14 19:31:33,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:33,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:33,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555951529] [2021-07-14 19:31:33,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555951529] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:33,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104041384] [2021-07-14 19:31:33,339 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:33,375 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:31:33,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:33,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 19:31:33,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:33,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104041384] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:33,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:33,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 37 [2021-07-14 19:31:33,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190434816] [2021-07-14 19:31:33,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 19:31:33,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:33,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 19:31:33,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1078, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 19:31:33,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:33,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:33,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.3783783783783785) internal successors, (88), 37 states have internal predecessors, (88), 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 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:33,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:34,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 19:31:34,321 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:34,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:34,321 INFO L82 PathProgramCache]: Analyzing trace with hash -262236381, now seen corresponding path program 11 times [2021-07-14 19:31:34,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:34,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284059501] [2021-07-14 19:31:34,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:35,623 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:35,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:35,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284059501] [2021-07-14 19:31:35,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284059501] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:35,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541930381] [2021-07-14 19:31:35,624 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:35,678 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 19:31:35,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:35,680 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-07-14 19:31:35,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:36,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:36,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:36,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:36,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:36,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:36,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 36 disjoint index pairs (out of 91 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 25 [2021-07-14 19:31:36,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:36,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:36,785 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 19:31:36,785 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:3 [2021-07-14 19:31:36,812 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:36,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541930381] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:36,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:36,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 45 [2021-07-14 19:31:36,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60065203] [2021-07-14 19:31:36,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 19:31:36,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:36,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 19:31:36,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1822, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 19:31:36,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:36,814 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:36,814 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 2.2444444444444445) internal successors, (101), 45 states have internal predecessors, (101), 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 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:39,589 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2021-07-14 19:31:39,869 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2021-07-14 19:31:40,188 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 85 [2021-07-14 19:31:40,596 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2021-07-14 19:31:40,824 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-07-14 19:31:41,202 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2021-07-14 19:31:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:42,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 19:31:42,109 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:42,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:42,109 INFO L82 PathProgramCache]: Analyzing trace with hash 735747197, now seen corresponding path program 12 times [2021-07-14 19:31:42,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:42,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055234928] [2021-07-14 19:31:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 38 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:42,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:42,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055234928] [2021-07-14 19:31:42,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055234928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:42,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191138434] [2021-07-14 19:31:42,379 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:42,422 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-14 19:31:42,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:42,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 19:31:42,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 38 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:43,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191138434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:43,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:43,029 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 45 [2021-07-14 19:31:43,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865700035] [2021-07-14 19:31:43,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 19:31:43,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:43,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 19:31:43,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=1608, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 19:31:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:43,031 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:43,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 2.311111111111111) internal successors, (104), 45 states have internal predecessors, (104), 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 19:31:43,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:43,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:43,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:43,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 19:31:43,544 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:43,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:43,544 INFO L82 PathProgramCache]: Analyzing trace with hash -931521569, now seen corresponding path program 13 times [2021-07-14 19:31:43,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:43,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531735191] [2021-07-14 19:31:43,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:45,036 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 27 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:45,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:45,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531735191] [2021-07-14 19:31:45,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531735191] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:45,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10264454] [2021-07-14 19:31:45,036 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:45,079 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2021-07-14 19:31:45,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:46,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 55 disjoint index pairs (out of 136 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 29 [2021-07-14 19:31:46,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:46,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:46,679 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 19:31:46,679 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:3 [2021-07-14 19:31:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:46,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10264454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:46,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:46,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-14 19:31:46,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988905876] [2021-07-14 19:31:46,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 19:31:46,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:46,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 19:31:46,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=2521, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 19:31:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:46,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:46,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.207547169811321) internal successors, (117), 53 states have internal predecessors, (117), 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 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:46,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:51,038 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 108 [2021-07-14 19:31:51,209 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 106 [2021-07-14 19:31:51,437 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 103 [2021-07-14 19:31:51,642 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2021-07-14 19:31:51,841 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-07-14 19:31:52,053 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 114 [2021-07-14 19:31:52,295 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 111 [2021-07-14 19:31:52,538 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-07-14 19:31:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:53,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:31:53,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:53,773 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:53,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:53,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1980210887, now seen corresponding path program 14 times [2021-07-14 19:31:53,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:53,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011579301] [2021-07-14 19:31:53,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 56 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:54,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:54,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011579301] [2021-07-14 19:31:54,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011579301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:54,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144951885] [2021-07-14 19:31:54,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:54,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:31:54,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:54,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 19:31:54,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 56 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:54,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144951885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:54,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:54,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 53 [2021-07-14 19:31:54,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541528428] [2021-07-14 19:31:54,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 19:31:54,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:54,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 19:31:54,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=514, Invalid=2242, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 19:31:54,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:54,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:54,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.2641509433962264) internal successors, (120), 53 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:31:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:31:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:55,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:55,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:31:55,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:55,422 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 19:31:55,423 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:31:55,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:31:55,423 INFO L82 PathProgramCache]: Analyzing trace with hash -858038629, now seen corresponding path program 15 times [2021-07-14 19:31:55,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:31:55,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468225227] [2021-07-14 19:31:55,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:31:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:31:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 42 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:57,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:31:57,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468225227] [2021-07-14 19:31:57,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468225227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:57,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372941457] [2021-07-14 19:31:57,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:31:57,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-07-14 19:31:57,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:31:57,565 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 119 conjunts are in the unsatisfiable core [2021-07-14 19:31:57,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:31:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:59,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:31:59,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:31:59,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 78 disjoint index pairs (out of 190 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 33 [2021-07-14 19:31:59,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:31:59,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:31:59,739 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 19:31:59,739 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:114, output treesize:13 [2021-07-14 19:31:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:31:59,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372941457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:31:59,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:31:59,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35] total 64 [2021-07-14 19:31:59,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250548667] [2021-07-14 19:31:59,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-14 19:31:59,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:31:59,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-14 19:31:59,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=430, Invalid=3602, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 19:31:59,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:31:59,850 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:31:59,851 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.078125) internal successors, (133), 64 states have internal predecessors, (133), 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 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:31:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:04,456 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2021-07-14 19:32:04,839 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 108 [2021-07-14 19:32:05,032 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2021-07-14 19:32:05,277 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2021-07-14 19:32:05,482 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 120 [2021-07-14 19:32:05,761 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 119 [2021-07-14 19:32:05,976 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 118 [2021-07-14 19:32:06,224 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 130 [2021-07-14 19:32:06,493 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2021-07-14 19:32:06,774 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 125 [2021-07-14 19:32:07,072 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-07-14 19:32:08,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:08,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:08,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 19:32:08,515 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:08,515 INFO L82 PathProgramCache]: Analyzing trace with hash 460252149, now seen corresponding path program 16 times [2021-07-14 19:32:08,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:08,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338597939] [2021-07-14 19:32:08,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 78 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:08,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:08,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338597939] [2021-07-14 19:32:08,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338597939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:08,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474933552] [2021-07-14 19:32:08,966 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:09,027 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:32:09,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:09,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 19:32:09,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 78 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:09,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474933552] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:09,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:09,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2021-07-14 19:32:09,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049939015] [2021-07-14 19:32:09,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 19:32:09,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:09,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 19:32:09,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=680, Invalid=2980, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 19:32:09,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:09,838 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:09,838 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 2.2295081967213113) internal successors, (136), 61 states have internal predecessors, (136), 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 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:09,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:09,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:09,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:10,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:10,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:10,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:10,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:10,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 19:32:10,556 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:10,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:10,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1070112937, now seen corresponding path program 17 times [2021-07-14 19:32:10,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:10,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007175078] [2021-07-14 19:32:10,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:11,446 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-07-14 19:32:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 57 proven. 281 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:13,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:13,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007175078] [2021-07-14 19:32:13,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007175078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:13,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70257123] [2021-07-14 19:32:13,247 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:13,310 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-07-14 19:32:13,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:13,313 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 128 conjunts are in the unsatisfiable core [2021-07-14 19:32:13,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:15,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:15,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:15,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 105 disjoint index pairs (out of 253 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 37 [2021-07-14 19:32:15,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:32:15,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:32:15,948 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 19:32:15,948 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:117, output treesize:3 [2021-07-14 19:32:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:15,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70257123] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:15,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:15,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 69 [2021-07-14 19:32:15,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666390133] [2021-07-14 19:32:15,986 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-14 19:32:15,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:15,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-14 19:32:15,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=4313, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 19:32:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:15,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:15,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 2.1594202898550723) internal successors, (149), 69 states have internal predecessors, (149), 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 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:15,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:22,834 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 121 [2021-07-14 19:32:23,041 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2021-07-14 19:32:23,270 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 119 [2021-07-14 19:32:23,600 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 129 [2021-07-14 19:32:23,816 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2021-07-14 19:32:24,122 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 131 [2021-07-14 19:32:24,408 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 140 [2021-07-14 19:32:24,766 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2021-07-14 19:32:25,054 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2021-07-14 19:32:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:26,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:26,941 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:26,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:26,941 INFO L82 PathProgramCache]: Analyzing trace with hash -26008399, now seen corresponding path program 18 times [2021-07-14 19:32:26,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:26,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025089274] [2021-07-14 19:32:26,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 104 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:27,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:27,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025089274] [2021-07-14 19:32:27,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025089274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:27,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277544536] [2021-07-14 19:32:27,501 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:27,572 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-07-14 19:32:27,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:27,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 19:32:27,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 104 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:28,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277544536] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:28,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:28,690 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 69 [2021-07-14 19:32:28,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322750630] [2021-07-14 19:32:28,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-14 19:32:28,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:28,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-14 19:32:28,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=3822, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 19:32:28,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:28,692 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:28,692 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 2.2028985507246377) internal successors, (152), 69 states have internal predecessors, (152), 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 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:28,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:29,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:29,403 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:29,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:29,403 INFO L82 PathProgramCache]: Analyzing trace with hash -20767213, now seen corresponding path program 19 times [2021-07-14 19:32:29,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:29,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380442778] [2021-07-14 19:32:29,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 78 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:32,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:32,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380442778] [2021-07-14 19:32:32,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380442778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:32,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68853969] [2021-07-14 19:32:32,195 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:32,252 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 144 conjunts are in the unsatisfiable core [2021-07-14 19:32:32,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:35,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:32:35,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:32:35,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 136 disjoint index pairs (out of 325 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 41 [2021-07-14 19:32:35,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:32:35,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:32:35,721 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 19:32:35,721 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:131, output treesize:3 [2021-07-14 19:32:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:35,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68853969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:35,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:35,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40] total 77 [2021-07-14 19:32:35,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317523821] [2021-07-14 19:32:35,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-07-14 19:32:35,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:35,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-07-14 19:32:35,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=5386, Unknown=0, NotChecked=0, Total=5852 [2021-07-14 19:32:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:35,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:35,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 2.142857142857143) internal successors, (165), 77 states have internal predecessors, (165), 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 19:32:35,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:35,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:35,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:35,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:35,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:44,268 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 134 [2021-07-14 19:32:44,511 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-07-14 19:32:44,763 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 129 [2021-07-14 19:32:45,090 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 144 [2021-07-14 19:32:45,326 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-14 19:32:45,643 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 139 [2021-07-14 19:32:45,934 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 142 [2021-07-14 19:32:46,188 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 153 [2021-07-14 19:32:46,510 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 151 [2021-07-14 19:32:46,861 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 149 [2021-07-14 19:32:47,146 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:32:49,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 19:32:49,530 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:49,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:49,530 INFO L82 PathProgramCache]: Analyzing trace with hash 716841837, now seen corresponding path program 20 times [2021-07-14 19:32:49,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:49,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805436925] [2021-07-14 19:32:49,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 134 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:50,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:50,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805436925] [2021-07-14 19:32:50,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805436925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:50,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413196796] [2021-07-14 19:32:50,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:50,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:32:50,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:50,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 19:32:50,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 134 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:51,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413196796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:51,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:32:51,492 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 77 [2021-07-14 19:32:51,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794046011] [2021-07-14 19:32:51,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-07-14 19:32:51,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:32:51,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-07-14 19:32:51,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1084, Invalid=4768, Unknown=0, NotChecked=0, Total=5852 [2021-07-14 19:32:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:51,495 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:32:51,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 2.1818181818181817) internal successors, (168), 77 states have internal predecessors, (168), 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 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:51,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:32:51,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:32:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:32:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:32:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:32:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:32:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:32:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:32:52,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-14 19:32:52,391 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:32:52,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:32:52,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1103914289, now seen corresponding path program 21 times [2021-07-14 19:32:52,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:32:52,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946831438] [2021-07-14 19:32:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:32:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:32:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 103 proven. 439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:32:56,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:32:56,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946831438] [2021-07-14 19:32:56,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946831438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:32:56,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722537396] [2021-07-14 19:32:56,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:32:56,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2021-07-14 19:32:56,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:32:56,358 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 165 conjunts are in the unsatisfiable core [2021-07-14 19:32:56,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:32:59,241 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-07-14 19:33:01,692 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-07-14 19:33:02,246 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 19:33:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:33:03,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:33:03,389 INFO L244 Elim1Store]: Index analysis took 262 ms [2021-07-14 19:33:03,749 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-07-14 19:33:03,750 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:33:03,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 29 select indices, 29 select index equivalence classes, 333 disjoint index pairs (out of 406 index pairs), introduced 28 new quantified variables, introduced 45 case distinctions, treesize of input 155 treesize of output 565 [2021-07-14 19:33:04,137 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 334 [2021-07-14 19:33:04,335 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 346 [2021-07-14 19:33:04,593 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1126 DAG size of output: 266 [2021-07-14 19:33:04,848 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1132 DAG size of output: 272 [2021-07-14 19:33:05,280 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 245 [2021-07-14 19:33:05,432 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 251 [2021-07-14 19:33:05,696 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 255 [2021-07-14 19:33:06,108 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2021-07-14 19:33:06,914 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 560 [2021-07-14 19:33:07,671 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 560 [2021-07-14 19:33:08,453 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 565 [2021-07-14 19:33:09,555 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 408 [2021-07-14 19:33:10,337 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1397 DAG size of output: 412 [2021-07-14 19:33:11,407 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 878 DAG size of output: 488 [2021-07-14 19:33:12,280 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 498 [2021-07-14 19:33:12,655 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 470 [2021-07-14 19:33:13,256 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 442 [2021-07-14 19:33:13,574 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 446 [2021-07-14 19:33:13,955 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 409 [2021-07-14 19:33:14,299 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 412 [2021-07-14 19:33:14,502 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 236 [2021-07-14 19:33:14,652 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: and 4 xjuncts. [2021-07-14 19:33:14,710 INFO L628 ElimStorePlain]: treesize reduction 46, result has 60.7 percent of original size [2021-07-14 19:33:14,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 19:33:14,719 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:177, output treesize:65 [2021-07-14 19:33:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:15,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722537396] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:15,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:33:15,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 48] total 89 [2021-07-14 19:33:15,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821165937] [2021-07-14 19:33:15,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-14 19:33:15,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:15,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-14 19:33:15,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=458, Invalid=7374, Unknown=0, NotChecked=0, Total=7832 [2021-07-14 19:33:15,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:15,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:15,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 2.033707865168539) internal successors, (181), 89 states have internal predecessors, (181), 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 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:15,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:15,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:22,207 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 99 [2021-07-14 19:33:22,981 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:23,280 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 97 [2021-07-14 19:33:23,585 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 101 [2021-07-14 19:33:24,058 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 146 [2021-07-14 19:33:24,443 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-07-14 19:33:24,915 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:25,256 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 103 [2021-07-14 19:33:26,105 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 146 [2021-07-14 19:33:26,431 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 100 [2021-07-14 19:33:26,857 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:27,178 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 108 [2021-07-14 19:33:27,712 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 146 [2021-07-14 19:33:28,035 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 106 [2021-07-14 19:33:28,503 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:28,823 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 117 [2021-07-14 19:33:29,411 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 152 [2021-07-14 19:33:29,752 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 115 [2021-07-14 19:33:30,235 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 157 [2021-07-14 19:33:30,569 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 124 [2021-07-14 19:33:31,120 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 157 [2021-07-14 19:33:31,447 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 122 [2021-07-14 19:33:31,886 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 160 [2021-07-14 19:33:32,223 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 131 [2021-07-14 19:33:32,717 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 133 [2021-07-14 19:33:33,036 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 130 [2021-07-14 19:33:33,480 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2021-07-14 19:33:33,805 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 140 [2021-07-14 19:33:34,275 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2021-07-14 19:33:34,620 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 139 [2021-07-14 19:33:35,060 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 148 [2021-07-14 19:33:35,851 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 150 [2021-07-14 19:33:36,401 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 195 [2021-07-14 19:33:36,824 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 154 [2021-07-14 19:33:37,367 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 194 [2021-07-14 19:33:38,153 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 156 [2021-07-14 19:33:38,858 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-07-14 19:33:39,194 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 156 [2021-07-14 19:33:39,636 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 155 [2021-07-14 19:33:39,975 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 164 [2021-07-14 19:33:40,430 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 162 [2021-07-14 19:33:40,777 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 164 [2021-07-14 19:33:44,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:44,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:44,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:33:44,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:44,273 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:44,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:44,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1317478359, now seen corresponding path program 22 times [2021-07-14 19:33:44,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:44,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664144440] [2021-07-14 19:33:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 168 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:44,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:44,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664144440] [2021-07-14 19:33:44,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664144440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:44,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772337789] [2021-07-14 19:33:44,987 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:45,036 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:33:45,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:33:45,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 19:33:45,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:33:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 168 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:46,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772337789] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:46,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:33:46,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 85 [2021-07-14 19:33:46,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065176760] [2021-07-14 19:33:46,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-07-14 19:33:46,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:33:46,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-07-14 19:33:46,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1322, Invalid=5818, Unknown=0, NotChecked=0, Total=7140 [2021-07-14 19:33:46,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:46,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:33:46,668 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 85 states have internal predecessors, (184), 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 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:33:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:33:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:33:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:33:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:33:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:33:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:33:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:33:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:33:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:33:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:33:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:33:47,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable880,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:47,633 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:33:47,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:33:47,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1304286603, now seen corresponding path program 23 times [2021-07-14 19:33:47,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:33:47,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753761400] [2021-07-14 19:33:47,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:33:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:33:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 124 proven. 538 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:33:51,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:33:51,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753761400] [2021-07-14 19:33:51,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753761400] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:33:51,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899538523] [2021-07-14 19:33:51,854 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:33:51,932 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2021-07-14 19:33:51,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:33:51,935 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 175 conjunts are in the unsatisfiable core [2021-07-14 19:33:51,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:34:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:34:00,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:34:00,600 INFO L244 Elim1Store]: Index analysis took 222 ms [2021-07-14 19:34:00,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 210 disjoint index pairs (out of 496 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 49 [2021-07-14 19:34:00,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:34:00,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:34:00,611 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 19:34:00,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:184, output treesize:3 [2021-07-14 19:34:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 662 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:34:00,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899538523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:34:00,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:34:00,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 94 [2021-07-14 19:34:00,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726004898] [2021-07-14 19:34:00,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-07-14 19:34:00,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:34:00,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-07-14 19:34:00,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=8269, Unknown=0, NotChecked=0, Total=8742 [2021-07-14 19:34:00,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:34:00,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:34:00,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 94 states, 94 states have (on average 2.095744680851064) internal successors, (197), 94 states have internal predecessors, (197), 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 19:34:00,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:34:00,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:34:00,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:34:00,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:34:00,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:34:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:34:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:34:16,851 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 102 [2021-07-14 19:34:20,066 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2021-07-14 19:34:22,963 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2021-07-14 19:34:23,506 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 108 [2021-07-14 19:34:25,738 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 108 [2021-07-14 19:34:27,060 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 110 [2021-07-14 19:34:27,910 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 104 [2021-07-14 19:34:28,408 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 110 [2021-07-14 19:34:29,373 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-07-14 19:34:30,527 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 117 [2021-07-14 19:34:31,597 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 111 [2021-07-14 19:34:32,594 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 121 [2021-07-14 19:34:33,509 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 119 [2021-07-14 19:34:34,368 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 119 [2021-07-14 19:34:35,001 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 126 [2021-07-14 19:34:35,546 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 131 [2021-07-14 19:34:36,399 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 128 [2021-07-14 19:34:36,919 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 129 [2021-07-14 19:34:37,672 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 127 [2021-07-14 19:34:38,121 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 138 [2021-07-14 19:34:38,982 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 129 [2021-07-14 19:34:39,827 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 136 [2021-07-14 19:34:40,385 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 134 [2021-07-14 19:34:40,901 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 146 [2021-07-14 19:34:42,680 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 148 [2021-07-14 19:34:43,280 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 146 [2021-07-14 19:34:44,012 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 155 [2021-07-14 19:34:44,572 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 104 [2021-07-14 19:34:45,688 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 158 [2021-07-14 19:34:46,241 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-07-14 19:34:46,927 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 116 [2021-07-14 19:34:47,512 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 106 [2021-07-14 19:34:49,141 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 167 [2021-07-14 19:34:49,886 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2021-07-14 19:34:50,769 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 172 [2021-07-14 19:34:52,000 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 210 [2021-07-14 19:34:53,254 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 170 [2021-07-14 19:34:54,249 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 219 [2021-07-14 19:34:54,760 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 166 [2021-07-14 19:34:55,416 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 165 [2021-07-14 19:34:55,870 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 176 [2021-07-14 19:34:56,355 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 172 [2021-07-14 19:34:56,737 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 174 [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:01,931 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable881,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:35:01,931 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:35:01,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:35:01,931 INFO L82 PathProgramCache]: Analyzing trace with hash -43754779, now seen corresponding path program 24 times [2021-07-14 19:35:01,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:35:01,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557578009] [2021-07-14 19:35:01,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:35:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:35:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 206 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:02,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:35:02,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557578009] [2021-07-14 19:35:02,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557578009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:02,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856603867] [2021-07-14 19:35:02,824 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:35:02,892 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2021-07-14 19:35:02,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:35:02,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 19:35:02,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:35:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 206 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:04,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856603867] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:04,666 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:35:04,666 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 93 [2021-07-14 19:35:04,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335761723] [2021-07-14 19:35:04,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-07-14 19:35:04,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:35:04,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-07-14 19:35:04,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1584, Invalid=6972, Unknown=0, NotChecked=0, Total=8556 [2021-07-14 19:35:04,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:04,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:35:04,668 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 93 states, 93 states have (on average 2.150537634408602) internal successors, (200), 93 states have internal predecessors, (200), 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 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:04,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:04,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:04,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:04,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:04,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:04,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:35:05,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable882 [2021-07-14 19:35:05,797 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:35:05,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:35:05,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1444335175, now seen corresponding path program 25 times [2021-07-14 19:35:05,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:35:05,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712186657] [2021-07-14 19:35:05,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:35:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:35:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 165 proven. 629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:11,643 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:35:11,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712186657] [2021-07-14 19:35:11,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712186657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:11,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6825910] [2021-07-14 19:35:11,643 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:35:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:35:11,709 WARN L261 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 192 conjunts are in the unsatisfiable core [2021-07-14 19:35:11,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:35:18,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:18,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:35:19,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:35:19,124 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-07-14 19:35:19,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 35 select indices, 35 select index equivalence classes, 253 disjoint index pairs (out of 595 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 53 [2021-07-14 19:35:19,126 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:35:19,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:35:19,131 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 19:35:19,131 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:3 [2021-07-14 19:35:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:19,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6825910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:19,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:35:19,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52] total 101 [2021-07-14 19:35:19,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334880345] [2021-07-14 19:35:19,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-07-14 19:35:19,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:35:19,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-07-14 19:35:19,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=9313, Unknown=0, NotChecked=0, Total=10100 [2021-07-14 19:35:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:19,188 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:35:19,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 2.108910891089109) internal successors, (213), 101 states have internal predecessors, (213), 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 19:35:19,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:19,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:19,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:19,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:19,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:19,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:19,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:35:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:35,462 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 124 [2021-07-14 19:35:36,870 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 170 [2021-07-14 19:35:37,245 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 146 [2021-07-14 19:35:37,684 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 165 [2021-07-14 19:35:38,289 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 180 [2021-07-14 19:35:38,663 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 181 [2021-07-14 19:35:39,228 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 175 [2021-07-14 19:35:39,635 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 179 [2021-07-14 19:35:40,022 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2021-07-14 19:35:40,527 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 188 [2021-07-14 19:35:41,059 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 186 [2021-07-14 19:35:41,489 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:35:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 19:35:45,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable883 [2021-07-14 19:35:45,886 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:35:45,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:35:45,886 INFO L82 PathProgramCache]: Analyzing trace with hash 313627553, now seen corresponding path program 26 times [2021-07-14 19:35:45,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:35:45,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66822499] [2021-07-14 19:35:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:35:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:35:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 248 proven. 641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:46,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:35:46,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66822499] [2021-07-14 19:35:46,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66822499] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:46,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413867083] [2021-07-14 19:35:46,983 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:35:47,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:35:47,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:35:47,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 19:35:47,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:35:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 248 proven. 641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:49,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413867083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:49,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:35:49,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 101 [2021-07-14 19:35:49,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466728203] [2021-07-14 19:35:49,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-07-14 19:35:49,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:35:49,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-07-14 19:35:49,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1870, Invalid=8230, Unknown=0, NotChecked=0, Total=10100 [2021-07-14 19:35:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:49,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:35:49,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 2.1386138613861387) internal successors, (216), 101 states have internal predecessors, (216), 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 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-14 19:35:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:35:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 19:35:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 19:35:50,283 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable884 [2021-07-14 19:35:50,283 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:35:50,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:35:50,283 INFO L82 PathProgramCache]: Analyzing trace with hash 427001091, now seen corresponding path program 27 times [2021-07-14 19:35:50,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:35:50,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716053237] [2021-07-14 19:35:50,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:35:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:35:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 186 proven. 752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:35:56,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:35:56,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716053237] [2021-07-14 19:35:56,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716053237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:35:56,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191727831] [2021-07-14 19:35:56,291 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:35:56,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2021-07-14 19:35:56,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:35:56,396 WARN L261 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 210 conjunts are in the unsatisfiable core [2021-07-14 19:35:56,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:36:09,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:36:09,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:09,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:36:10,164 INFO L244 Elim1Store]: Index analysis took 438 ms [2021-07-14 19:36:35,089 WARN L205 SmtUtils]: Spent 24.92 s on a formula simplification that was a NOOP. DAG size: 1646 [2021-07-14 19:36:35,090 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:36:35,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 276 disjoint index pairs (out of 703 index pairs), introduced 37 new quantified variables, introduced 414 case distinctions, treesize of input 201 treesize of output 4035 [2021-07-14 19:36:35,265 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1653 DAG size of output: 1139 [2021-07-14 19:36:36,892 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1528 [2021-07-14 19:36:38,792 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1933 DAG size of output: 1566 [2021-07-14 19:37:12,138 WARN L205 SmtUtils]: Spent 32.15 s on a formula simplification. DAG size of input: 15499 DAG size of output: 9175 [2021-07-14 19:37:49,261 WARN L205 SmtUtils]: Spent 34.33 s on a formula simplification. DAG size of input: 15540 DAG size of output: 9217 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown