/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 05:46:11,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 05:46:11,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 05:46:11,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 05:46:11,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 05:46:11,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 05:46:11,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 05:46:11,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 05:46:11,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 05:46:11,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 05:46:11,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 05:46:11,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 05:46:11,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 05:46:11,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 05:46:11,434 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 05:46:11,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 05:46:11,435 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 05:46:11,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 05:46:11,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 05:46:11,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 05:46:11,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 05:46:11,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 05:46:11,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 05:46:11,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 05:46:11,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 05:46:11,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 05:46:11,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 05:46:11,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 05:46:11,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 05:46:11,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 05:46:11,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 05:46:11,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:46:11,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 05:46:11,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 05:46:11,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 05:46:11,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 05:46:11,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 05:46:11,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 05:46:11,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 05:46:11,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 05:46:11,438 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 05:46:11,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 05:46:11,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 05:46:11,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 05:46:11,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 05:46:11,729 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 05:46:11,730 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 05:46:11,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2021-06-06 05:46:11,731 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2021-06-06 05:46:11,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 05:46:11,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 05:46:11,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 05:46:11,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 05:46:11,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 05:46:11,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 05:46:11,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 05:46:11,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 05:46:11,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 05:46:11,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... [2021-06-06 05:46:11,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 05:46:11,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 05:46:11,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 05:46:11,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 05:46:11,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:46:11,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 05:46:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 05:46:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 05:46:11,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 05:46:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 05:46:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 05:46:11,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 05:46:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 05:46:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 05:46:11,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 05:46:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 05:46:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 05:46:11,863 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 05:46:12,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 05:46:12,111 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 05:46:12,113 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:46:12 BoogieIcfgContainer [2021-06-06 05:46:12,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 05:46:12,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 05:46:12,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 05:46:12,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 05:46:12,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:11" (1/2) ... [2021-06-06 05:46:12,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f301c8 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:46:12, skipping insertion in model container [2021-06-06 05:46:12,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:46:12" (2/2) ... [2021-06-06 05:46:12,119 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-06-06 05:46:12,123 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 05:46:12,124 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 05:46:12,124 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 05:46:12,124 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 05:46:12,156 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 05:46:12,173 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 05:46:12,216 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 05:46:12,216 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 05:46:12,217 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 05:46:12,217 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 05:46:12,217 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 05:46:12,217 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 05:46:12,217 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 05:46:12,217 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 05:46:12,289 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:12,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:12,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 05:46:12,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:12,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163972919] [2021-06-06 05:46:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:12,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:12,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163972919] [2021-06-06 05:46:12,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163972919] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:46:12,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:46:12,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 05:46:12,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051814906] [2021-06-06 05:46:12,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 05:46:12,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:12,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 05:46:12,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 05:46:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:12,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:12,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:12,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:12,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 05:46:12,570 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:12,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:12,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 05:46:12,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:12,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989126814] [2021-06-06 05:46:12,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:12,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:12,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989126814] [2021-06-06 05:46:12,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989126814] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:46:12,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:46:12,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 05:46:12,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744545334] [2021-06-06 05:46:12,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 05:46:12,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:12,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 05:46:12,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 05:46:12,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:12,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:12,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:12,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:12,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:12,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 05:46:12,695 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:12,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:12,695 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 05:46:12,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:12,696 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409472057] [2021-06-06 05:46:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:13,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:13,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:13,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409472057] [2021-06-06 05:46:13,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409472057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:13,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901738242] [2021-06-06 05:46:13,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:13,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 05:46:13,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:13,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 05:46:13,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:13,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 05:46:13,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:13,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 05:46:13,486 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:13,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:13,519 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:46:13,519 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:103, output treesize:21 [2021-06-06 05:46:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:13,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901738242] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:13,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:13,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:46:13,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965141004] [2021-06-06 05:46:13,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:46:13,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:13,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:46:13,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:46:13,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:13,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:13,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:13,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:13,969 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:13,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:13,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 05:46:13,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:13,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479471739] [2021-06-06 05:46:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:14,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:14,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479471739] [2021-06-06 05:46:14,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479471739] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:14,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468121636] [2021-06-06 05:46:14,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:14,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:46:14,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:14,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:46:14,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:14,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468121636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:14,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:14,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:46:14,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405305298] [2021-06-06 05:46:14,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:46:14,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:14,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:46:14,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:46:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:14,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:14,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:14,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:14,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:14,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:14,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:14,621 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:14,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:14,621 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 05:46:14,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:14,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232605878] [2021-06-06 05:46:14,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:14,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:14,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232605878] [2021-06-06 05:46:14,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232605878] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:14,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783326602] [2021-06-06 05:46:14,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:14,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:46:14,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:14,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783326602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:14,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:14,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:46:14,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185848669] [2021-06-06 05:46:14,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 05:46:14,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:14,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 05:46:14,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 05:46:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:14,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:14,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:14,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:14,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:14,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:14,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:14,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:14,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:15,180 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:15,181 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:15,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:15,182 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 05:46:15,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:15,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267620519] [2021-06-06 05:46:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:15,875 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-06-06 05:46:16,193 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-06-06 05:46:16,441 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-06 05:46:16,652 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-06-06 05:46:16,865 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-06 05:46:16,995 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:16,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:16,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267620519] [2021-06-06 05:46:16,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267620519] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:17,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888915301] [2021-06-06 05:46:17,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:17,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:46:17,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:17,045 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 05:46:17,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:18,530 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-06 05:46:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:20,473 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:20,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 05:46:20,480 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:20,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:20,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:20,557 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:46:20,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 05:46:20,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:22,190 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-06 05:46:22,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:22,280 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:22,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 35 [2021-06-06 05:46:22,292 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:22,378 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:22,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 05:46:22,393 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:23,980 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 341 [2021-06-06 05:46:23,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:24,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:24,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:24,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:24,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 05:46:24,088 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:24,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:24,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:24,168 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:46:24,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-06 05:46:24,178 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:27,420 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-06 05:46:27,424 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-06-06 05:46:27,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:27,517 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:46:27,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 05:46:27,520 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:27,637 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:27,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 05:46:27,643 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:29,097 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-06 05:46:29,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:29,205 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:29,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-06-06 05:46:29,221 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:29,303 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:29,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 05:46:29,311 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:30,730 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-06 05:46:30,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:30,800 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:30,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 34 [2021-06-06 05:46:30,802 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:30,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:30,860 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:30,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 39 [2021-06-06 05:46:30,869 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:32,269 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 302 [2021-06-06 05:46:32,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:32,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:32,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:32,342 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:46:32,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 40 [2021-06-06 05:46:32,347 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:32,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:32,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:32,401 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:46:32,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-06-06 05:46:32,404 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:33,729 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 290 [2021-06-06 05:46:33,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:33,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:33,816 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:33,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 05:46:33,827 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:33,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:33,890 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:46:33,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 05:46:33,893 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:36,469 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2021-06-06 05:46:36,470 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-06 05:46:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:36,562 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:36,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 60 [2021-06-06 05:46:36,585 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:36,641 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:36,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 31 [2021-06-06 05:46:36,648 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:37,895 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-06 05:46:37,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:37,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:37,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:37,968 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:37,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 05:46:37,984 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:38,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:38,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:38,076 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 05:46:38,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-06 05:46:38,098 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:40,544 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-06 05:46:40,545 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.1 percent of original size [2021-06-06 05:46:40,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:40,640 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:40,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 05:46:40,643 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:40,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:40,704 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:40,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 05:46:40,706 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:41,821 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-06 05:46:41,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:41,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:41,893 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:41,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 05:46:41,904 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:41,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:41,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:41,950 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:41,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 05:46:41,955 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:43,017 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 238 [2021-06-06 05:46:43,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:43,085 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:43,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 05:46:43,091 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:43,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:43,145 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:46:43,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 37 [2021-06-06 05:46:43,150 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:44,168 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 225 [2021-06-06 05:46:44,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:44,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,236 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:44,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 05:46:44,243 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,312 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:44,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 05:46:44,319 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:45,300 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-06-06 05:46:45,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,363 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:46:45,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 49 [2021-06-06 05:46:45,374 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,429 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:46:45,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-06 05:46:45,435 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:46,366 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-06-06 05:46:46,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:46,430 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:46,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 05:46:46,465 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:46,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:46,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:46,505 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:46:46,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 05:46:46,507 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:47,374 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-06 05:46:47,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:47,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 05:46:47,663 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2233, output treesize:2097 [2021-06-06 05:46:48,371 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-06-06 05:46:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:48,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888915301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:48,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:48,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 05:46:48,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274075071] [2021-06-06 05:46:48,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 05:46:48,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:48,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 05:46:48,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 05:46:48,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:48,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:48,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:48,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:48,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:48,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:48,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:48,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:48,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:48,883 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2021-06-06 05:46:49,066 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-06-06 05:46:49,393 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-06 05:46:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:49,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 05:46:49,714 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:49,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:49,715 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 05:46:49,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:49,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056045922] [2021-06-06 05:46:49,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:49,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:49,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056045922] [2021-06-06 05:46:49,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056045922] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:49,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512687494] [2021-06-06 05:46:49,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:49,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 05:46:49,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:49,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:46:49,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:49,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512687494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:49,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:49,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 05:46:49,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169431875] [2021-06-06 05:46:49,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 05:46:49,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:49,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 05:46:49,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 05:46:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:49,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:49,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:49,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:49,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:49,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:49,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:49,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:49,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:49,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:46:50,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:50,649 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:50,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:50,649 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 05:46:50,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:50,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540672650] [2021-06-06 05:46:50,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:50,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:50,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540672650] [2021-06-06 05:46:50,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540672650] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:50,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766682602] [2021-06-06 05:46:50,740 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:50,783 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:46:50,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:50,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:46:50,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:50,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766682602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:50,906 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:50,906 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 05:46:50,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090998863] [2021-06-06 05:46:50,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 05:46:50,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:50,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 05:46:50,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 05:46:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:50,907 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:50,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:50,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:50,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:50,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:50,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:50,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:50,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:50,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:46:50,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:51,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:46:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:51,267 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-06 05:46:51,268 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:51,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:51,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 05:46:51,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:51,268 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054718485] [2021-06-06 05:46:51,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:52,732 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-06-06 05:46:53,034 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2021-06-06 05:46:53,330 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2021-06-06 05:46:53,680 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2021-06-06 05:46:56,283 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 320 DAG size of output: 295 [2021-06-06 05:46:57,083 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 131 [2021-06-06 05:47:00,333 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-06-06 05:47:01,250 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 150 [2021-06-06 05:47:03,992 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 305 DAG size of output: 293 [2021-06-06 05:47:04,879 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 145 [2021-06-06 05:47:06,416 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-06 05:47:07,209 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 118 [2021-06-06 05:47:08,751 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-06-06 05:47:09,124 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 66 [2021-06-06 05:47:10,087 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2021-06-06 05:47:10,284 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-06-06 05:47:11,215 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-06-06 05:47:11,402 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-06-06 05:47:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:11,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:11,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054718485] [2021-06-06 05:47:11,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054718485] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:11,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617931915] [2021-06-06 05:47:11,670 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:11,746 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 05:47:11,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:11,747 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 05:47:11,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:13,699 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 05:47:15,236 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 05:47:17,518 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 05:47:19,294 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-06 05:47:21,143 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-06 05:47:22,734 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 05:47:24,260 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-06 05:47:26,308 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-06 05:47:27,138 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_160, v_prenex_162, v_prenex_140, v_prenex_120, v_prenex_142, v_prenex_164, v_prenex_144, v_prenex_166, v_prenex_122, v_prenex_146, v_prenex_124, v_prenex_168, v_prenex_126, v_prenex_148, v_prenex_128, v_prenex_150, v_prenex_130, v_prenex_154, v_prenex_132, v_prenex_111, v_prenex_134, v_prenex_156, v_prenex_158, v_prenex_114, v_prenex_136, v_prenex_138, v_prenex_116, v_prenex_107, A, v_prenex_109], 15=[v_prenex_118, v_prenex_152]} [2021-06-06 05:47:27,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:27,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 05:47:27,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:27,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-06 05:47:27,286 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:34,466 WARN L205 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-06-06 05:47:34,468 INFO L628 ElimStorePlain]: treesize reduction 1224, result has 68.9 percent of original size [2021-06-06 05:47:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:47:34,549 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:34,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:47:34,602 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:37,472 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-06 05:47:37,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:37,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:47:37,559 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:37,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:37,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:47:37,616 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:40,331 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-06 05:47:40,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:40,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:40,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:47:40,390 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:40,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:47:40,428 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:42,937 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 707 [2021-06-06 05:47:42,938 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:42,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:42,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:42,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:42,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:42,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 05:47:42,972 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:45,546 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-06 05:47:45,546 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:45,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 05:47:45,591 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:47,962 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 05:47:47,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:47,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:47:47,996 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:50,551 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 663 [2021-06-06 05:47:50,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:50,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:50,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:50,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:50,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:47:50,592 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:52,922 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-06 05:47:52,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:52,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:52,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:52,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:47:52,964 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:55,246 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-06 05:47:55,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:47:55,298 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:55,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:55,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 05:47:55,334 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:57,444 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 618 [2021-06-06 05:47:57,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:57,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:57,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:57,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:57,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 05:47:57,494 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:57,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:57,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:57,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:57,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 05:47:57,531 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:59,524 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 601 [2021-06-06 05:47:59,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:59,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:59,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:59,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:47:59,577 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:59,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:47:59,611 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:01,526 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-06 05:48:01,527 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:01,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:01,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:01,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:48:01,557 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:03,370 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-06 05:48:03,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 05:48:03,419 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:03,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:03,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-06 05:48:03,448 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:05,235 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-06 05:48:05,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:05,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:05,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:05,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:05,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:05,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:05,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 05:48:05,282 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:05,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:05,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:48:05,312 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:07,032 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 536 [2021-06-06 05:48:07,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:07,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:07,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:48:07,079 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:07,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:07,109 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:08,663 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 519 [2021-06-06 05:48:08,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:08,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 05:48:08,706 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:08,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:08,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:08,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 05:48:08,735 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:10,191 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-06 05:48:10,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:10,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:48:10,219 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:11,615 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-06 05:48:11,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:11,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:11,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:48:11,642 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:12,984 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-06 05:48:12,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:13,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:48:13,027 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:13,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:13,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:48:13,053 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:14,312 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-06 05:48:14,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:14,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:14,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:48:14,338 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:15,550 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-06 05:48:15,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:15,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:15,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:48:15,576 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:16,770 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-06 05:48:16,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:16,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:16,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 05:48:16,809 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:16,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:16,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:48:16,835 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:17,931 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-06 05:48:17,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:48:17,955 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:19,036 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-06 05:48:19,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:19,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:19,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:19,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:48:19,069 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:20,111 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 379 [2021-06-06 05:48:20,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:20,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 05:48:20,134 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:21,144 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 05:48:21,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:21,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:21,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:21,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:21,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:21,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:21,179 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:21,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:21,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:48:21,200 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:22,132 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-06 05:48:22,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:22,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:22,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:22,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 05:48:22,155 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:23,034 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-06 05:48:23,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:23,069 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:23,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:23,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:48:23,095 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:23,914 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-06 05:48:23,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:23,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:23,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:23,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 05:48:23,944 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:23,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:23,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:23,963 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:24,723 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-06 05:48:24,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:24,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:24,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:24,751 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:25,473 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-06 05:48:25,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:25,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:25,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-06-06 05:48:25,499 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:26,187 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-06 05:48:26,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:26,210 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-06 05:48:26,210 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:226 [2021-06-06 05:48:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:26,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617931915] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:26,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:48:26,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 05:48:26,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438756085] [2021-06-06 05:48:26,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 05:48:26,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:48:26,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 05:48:26,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-06-06 05:48:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:26,426 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:48:26,426 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 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) [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:26,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:26,849 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2021-06-06 05:48:27,300 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-06 05:48:27,769 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-06-06 05:48:27,999 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-06-06 05:48:28,282 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-06-06 05:48:28,587 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 85 [2021-06-06 05:48:29,425 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 127 [2021-06-06 05:48:31,762 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 238 DAG size of output: 123 [2021-06-06 05:48:35,538 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 540 DAG size of output: 162 [2021-06-06 05:48:35,897 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-06-06 05:48:36,502 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-06 05:48:36,849 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-06 05:48:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:48:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 05:48:37,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-06-06 05:48:37,126 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:48:37,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:48:37,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-06 05:48:37,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:48:37,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885878665] [2021-06-06 05:48:37,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:48:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:48:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:37,250 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:48:37,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885878665] [2021-06-06 05:48:37,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885878665] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:37,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551415604] [2021-06-06 05:48:37,251 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:48:37,299 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 05:48:37,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:48:37,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 05:48:37,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:48:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:37,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551415604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:37,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:48:37,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-06 05:48:37,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098488703] [2021-06-06 05:48:37,541 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 05:48:37,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:48:37,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 05:48:37,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-06 05:48:37,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:37,542 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:48:37,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:48:37,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:37,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:37,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:37,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:37,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:37,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:37,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:48:37,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:37,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 05:48:37,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 05:48:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:48:37,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:48:37,985 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:48:37,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:48:37,985 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-06 05:48:37,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:48:37,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274121421] [2021-06-06 05:48:37,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:48:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:48:41,334 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2021-06-06 05:48:42,368 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 122 [2021-06-06 05:48:42,598 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-06-06 05:48:48,777 WARN L205 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 419 DAG size of output: 328 [2021-06-06 05:48:49,411 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 70 [2021-06-06 05:50:46,145 WARN L205 SmtUtils]: Spent 1.95 m on a formula simplification. DAG size of input: 701 DAG size of output: 581 [2021-06-06 05:50:46,259 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-06-06 05:50:48,113 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 581 DAG size of output: 126 [2021-06-06 05:54:38,290 WARN L205 SmtUtils]: Spent 3.84 m on a formula simplification. DAG size of input: 759 DAG size of output: 752 [2021-06-06 05:54:41,030 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 751 DAG size of output: 179 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown