/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 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 02:10:49,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 02:10:49,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 02:10:49,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 02:10:49,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 02:10:49,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 02:10:49,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 02:10:49,254 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 [2021-06-02 02:10:49,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 02:10:49,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 02:10:49,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 02:10:49,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 02:10:49,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 02:10:49,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 02:10:49,275 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 02:10:49,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 02:10:49,275 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 02:10:49,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 02:10:49,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 02:10:49,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 02:10:49,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 02:10:49,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 02:10:49,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 02:10:49,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 02:10:49,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 02:10:49,277 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 02:10:49,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 02:10:49,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 02:10:49,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 02:10:49,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 02:10:49,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 02:10:49,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 02:10:49,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 02:10:49,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 02:10:49,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 02:10:49,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 02:10:49,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 02:10:49,278 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 02:10:49,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 02:10:49,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 02:10:49,278 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-02 02:10:49,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 02:10:49,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 02:10:49,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 02:10:49,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 02:10:49,593 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 02:10:49,594 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 02:10:49,595 INFO L432 ainManager$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 [2021-06-02 02:10:49,595 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' [2021-06-02 02:10:49,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 02:10:49,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 02:10:49,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 02:10:49,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 02:10:49,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 02:10:49,643 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,651 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 02:10:49,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 02:10:49,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 02:10:49,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 02:10:49,664 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,664 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,665 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,665 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,668 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,670 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,671 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 02.06 02:10:49" (1/1) ... [2021-06-02 02:10:49,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 02:10:49,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 02:10:49,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 02:10:49,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 02:10:49,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:10:49" (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 [2021-06-02 02:10:49,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 02:10:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 02:10:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 02:10:49,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 02:10:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 02:10:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 02:10:49,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 02:10:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 02:10:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 02:10:49,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 02:10:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 02:10:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 02:10:49,804 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 02:10:50,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 02:10:50,058 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 02:10:50,059 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 02:10:50 BoogieIcfgContainer [2021-06-02 02:10:50,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 02:10:50,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 02:10:50,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 02:10:50,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 02:10:50,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:10:49" (1/2) ... [2021-06-02 02:10:50,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b76b1d and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 02:10:50, skipping insertion in model container [2021-06-02 02:10:50,064 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 02.06 02:10:50" (2/2) ... [2021-06-02 02:10:50,065 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-06-02 02:10:50,070 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 02:10:50,070 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 02:10:50,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 02:10:50,071 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 02:10:50,104 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-02 02:10:50,123 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 [2021-06-02 02:10:50,232 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 02:10:50,232 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 02:10:50,232 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 02:10:50,232 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 02:10:50,232 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 02:10:50,232 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 02:10:50,232 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 02:10:50,232 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 02:10:50,284 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:10:50,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:10:50,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-02 02:10:50,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:10:50,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647857506] [2021-06-02 02:10:50,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:10:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:10:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:10:50,497 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:10:50,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647857506] [2021-06-02 02:10:50,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647857506] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 02:10:50,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 02:10:50,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-02 02:10:50,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185142629] [2021-06-02 02:10:50,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 02:10:50,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:10:50,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 02:10:50,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 02:10:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:50,525 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:10:50,528 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) [2021-06-02 02:10:50,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:50,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 02:10:50,558 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:10:50,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:10:50,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-02 02:10:50,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:10:50,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758359489] [2021-06-02 02:10:50,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:10:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:10:50,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:10:50,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:10:50,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758359489] [2021-06-02 02:10:50,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758359489] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 02:10:50,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 02:10:50,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 02:10:50,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23341097] [2021-06-02 02:10:50,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 02:10:50,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:10:50,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 02:10:50,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 02:10:50,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:50,602 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:10:50,602 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) [2021-06-02 02:10:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:50,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:50,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:10:50,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 02:10:50,646 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:10:50,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:10:50,646 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-02 02:10:50,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:10:50,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361038110] [2021-06-02 02:10:50,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:10:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:10:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:10:51,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:10:51,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361038110] [2021-06-02 02:10:51,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361038110] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:10:51,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141974446] [2021-06-02 02:10:51,126 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 [2021-06-02 02:10:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:10:51,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-02 02:10:51,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:10:51,513 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 [2021-06-02 02:10:51,516 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 02:10:51,520 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 [2021-06-02 02:10:51,522 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-02 02:10:51,544 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 [2021-06-02 02:10:51,547 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-02 02:10:51,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:10:51,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-02 02:10:51,564 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:103, output treesize:21 [2021-06-02 02:10:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:10:51,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141974446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:10:51,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:10:51,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-02 02:10:51,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769877419] [2021-06-02 02:10:51,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-02 02:10:51,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:10:51,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-02 02:10:51,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-02 02:10:51,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:51,632 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:10:51,633 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) [2021-06-02 02:10:51,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:51,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:10:51,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:10:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:10:52,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:10:52,033 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:10:52,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:10:52,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-02 02:10:52,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:10:52,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444537256] [2021-06-02 02:10:52,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:10:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:10:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:10:52,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:10:52,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444537256] [2021-06-02 02:10:52,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444537256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:10:52,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528005556] [2021-06-02 02:10:52,094 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 [2021-06-02 02:10:52,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 02:10:52,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:10:52,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-02 02:10:52,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:10:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:10:52,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528005556] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:10:52,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:10:52,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-02 02:10:52,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699597810] [2021-06-02 02:10:52,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-02 02:10:52,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:10:52,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-02 02:10:52,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-02 02:10:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:52,262 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:10:52,262 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) [2021-06-02 02:10:52,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:52,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:10:52,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:10:52,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:10:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:10:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:10:52,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:10:52,661 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:10:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:10:52,661 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-02 02:10:52,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:10:52,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942424396] [2021-06-02 02:10:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:10:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:10:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:10:52,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:10:52,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942424396] [2021-06-02 02:10:52,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942424396] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:10:52,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786243975] [2021-06-02 02:10:52,741 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 [2021-06-02 02:10:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:10:52,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-02 02:10:52,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:10:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:10:52,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786243975] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:10:52,899 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:10:52,899 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-02 02:10:52,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046753858] [2021-06-02 02:10:52,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-02 02:10:52,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:10:52,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-02 02:10:52,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-02 02:10:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:52,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:10:52,902 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) [2021-06-02 02:10:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:10:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:10:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:10:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:10:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:10:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:10:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:10:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:10:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:10:53,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:10:53,227 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:10:53,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:10:53,227 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-02 02:10:53,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:10:53,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986746646] [2021-06-02 02:10:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:10:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:10:53,910 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-06-02 02:10:54,214 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-06-02 02:10:54,462 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-02 02:10:54,684 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-06-02 02:10:54,889 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-02 02:10:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:10:55,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:10:55,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986746646] [2021-06-02 02:10:55,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986746646] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:10:55,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41779312] [2021-06-02 02:10:55,023 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 [2021-06-02 02:10:55,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 02:10:55,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:10:55,073 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-02 02:10:55,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:10:56,636 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-02 02:10:58,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:10:58,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:10:58,543 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-02 02:10:58,544 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 [2021-06-02 02:10:58,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 02:10:58,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:10:58,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:10:58,628 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-02 02:10:58,629 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 [2021-06-02 02:10:58,632 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:00,509 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-02 02:11:00,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:00,626 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-02 02:11:00,627 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 [2021-06-02 02:11:00,634 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:00,735 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-02 02:11:00,736 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 [2021-06-02 02:11:00,753 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:02,340 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 341 [2021-06-02 02:11:02,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:02,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:02,438 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:02,438 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 [2021-06-02 02:11:02,486 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:02,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:02,574 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-02 02:11:02,575 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 [2021-06-02 02:11:02,584 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:05,777 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-02 02:11:05,778 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-06-02 02:11:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:05,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:05,866 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-02 02:11:05,866 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 [2021-06-02 02:11:05,872 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:05,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:05,969 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-02 02:11:05,969 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 [2021-06-02 02:11:05,977 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:07,521 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-02 02:11:07,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:07,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:07,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:07,627 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-02 02:11:07,627 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 [2021-06-02 02:11:07,636 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:07,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:07,723 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-02 02:11:07,724 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 [2021-06-02 02:11:07,729 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:09,145 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-02 02:11:09,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:09,230 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-02 02:11:09,230 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 [2021-06-02 02:11:09,232 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:09,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:09,294 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-02 02:11:09,295 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 [2021-06-02 02:11:09,304 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:10,729 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 302 [2021-06-02 02:11:10,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:10,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:10,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:10,806 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-02 02:11:10,806 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 [2021-06-02 02:11:10,811 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:10,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:10,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:10,878 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-02 02:11:10,879 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 [2021-06-02 02:11:10,880 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:12,165 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 290 [2021-06-02 02:11:12,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:12,253 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-02 02:11:12,253 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 [2021-06-02 02:11:12,263 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:12,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:12,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:12,315 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-02 02:11:12,316 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 [2021-06-02 02:11:12,318 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:14,874 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2021-06-02 02:11:14,875 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-02 02:11:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:14,953 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:14,953 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 [2021-06-02 02:11:14,983 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:15,038 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-02 02:11:15,038 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 [2021-06-02 02:11:15,042 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:16,255 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-02 02:11:16,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:16,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:16,328 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:16,329 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 [2021-06-02 02:11:16,344 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:16,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:16,422 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-02 02:11:16,422 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 [2021-06-02 02:11:16,444 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:18,774 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-02 02:11:18,774 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.1 percent of original size [2021-06-02 02:11:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:18,870 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-02 02:11:18,870 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 [2021-06-02 02:11:18,872 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:18,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:18,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:18,946 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-02 02:11:18,947 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 [2021-06-02 02:11:18,948 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:20,058 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-02 02:11:20,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:20,132 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-02 02:11:20,132 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 [2021-06-02 02:11:20,137 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:20,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:20,200 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-02 02:11:20,201 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 [2021-06-02 02:11:20,206 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:21,282 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 238 [2021-06-02 02:11:21,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:21,350 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-02 02:11:21,350 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 [2021-06-02 02:11:21,372 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:21,418 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-02 02:11:21,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-02 02:11:21,424 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:22,464 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 225 [2021-06-02 02:11:22,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:22,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:22,532 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-02 02:11:22,532 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 [2021-06-02 02:11:22,538 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:22,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:22,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:22,598 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-02 02:11:22,598 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 [2021-06-02 02:11:22,605 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:23,582 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-06-02 02:11:23,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:23,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:23,645 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-02 02:11:23,645 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 [2021-06-02 02:11:23,655 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:23,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:23,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:23,707 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-02 02:11:23,708 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 [2021-06-02 02:11:23,713 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:24,620 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-06-02 02:11:24,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:24,681 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-02 02:11:24,681 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 [2021-06-02 02:11:24,687 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:24,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:24,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:11:24,724 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-02 02:11:24,724 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 [2021-06-02 02:11:24,726 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-02 02:11:25,581 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-02 02:11:25,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:11:25,886 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-02 02:11:25,886 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2233, output treesize:2097 [2021-06-02 02:11:26,599 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-06-02 02:11:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:11:26,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41779312] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:11:26,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:11:26,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-02 02:11:26,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578913312] [2021-06-02 02:11:26,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-02 02:11:26,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:11:26,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-02 02:11:26,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-02 02:11:26,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:11:26,773 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:11:26,773 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) [2021-06-02 02:11:26,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:11:26,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:11:26,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:11:26,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:11:26,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:11:26,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:11:27,116 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2021-06-02 02:11:27,305 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-06-02 02:11:27,632 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-02 02:11:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:11:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:11:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:11:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:11:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:11:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:11:27,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-02 02:11:27,954 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:11:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:11:27,955 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-02 02:11:27,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:11:27,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073260882] [2021-06-02 02:11:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:11:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:11:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:11:28,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:11:28,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073260882] [2021-06-02 02:11:28,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073260882] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:11:28,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448043359] [2021-06-02 02:11:28,047 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 [2021-06-02 02:11:28,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-02 02:11:28,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:11:28,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-02 02:11:28,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:11:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:11:28,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448043359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:11:28,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:11:28,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-02 02:11:28,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643742888] [2021-06-02 02:11:28,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-02 02:11:28,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:11:28,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-02 02:11:28,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-02 02:11:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:11:28,273 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:11:28,274 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) [2021-06-02 02:11:28,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:11:28,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:11:28,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:11:28,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:11:28,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:11:28,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:11:28,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:11:28,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:11:28,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:11:28,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:11:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:11:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:11:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:11:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:11:28,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:11:28,909 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:11:28,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:11:28,909 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-02 02:11:28,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:11:28,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017696833] [2021-06-02 02:11:28,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:11:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:11:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:11:28,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:11:28,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017696833] [2021-06-02 02:11:28,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017696833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:11:28,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490462557] [2021-06-02 02:11:28,994 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 [2021-06-02 02:11:29,025 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 02:11:29,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:11:29,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-02 02:11:29,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:11:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:11:29,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490462557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:11:29,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:11:29,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-02 02:11:29,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750154447] [2021-06-02 02:11:29,150 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-02 02:11:29,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:11:29,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-02 02:11:29,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-02 02:11:29,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:11:29,151 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:11:29,151 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) [2021-06-02 02:11:29,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:11:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:11:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:11:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:11:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:11:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:11:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:11:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:11:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:11:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:11:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:11:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:11:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:11:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:11:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:11:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:11:29,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-02 02:11:29,485 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:11:29,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:11:29,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-02 02:11:29,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:11:29,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334735891] [2021-06-02 02:11:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:11:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:11:30,912 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-06-02 02:11:31,199 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2021-06-02 02:11:31,409 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2021-06-02 02:11:31,727 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2021-06-02 02:11:34,382 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 320 DAG size of output: 295 [2021-06-02 02:11:35,166 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 131 [2021-06-02 02:11:38,488 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-06-02 02:11:39,389 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 150 [2021-06-02 02:11:42,176 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 305 DAG size of output: 293 [2021-06-02 02:11:43,042 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 145 [2021-06-02 02:11:44,578 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-02 02:11:45,362 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 118 [2021-06-02 02:11:46,883 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-06-02 02:11:47,268 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 66 [2021-06-02 02:11:48,238 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2021-06-02 02:11:48,431 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-06-02 02:11:49,336 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-06-02 02:11:49,518 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-06-02 02:11:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:11:49,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:11:49,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334735891] [2021-06-02 02:11:49,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334735891] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:11:49,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131643850] [2021-06-02 02:11:49,790 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 [2021-06-02 02:11:49,848 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-02 02:11:49,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:11:49,849 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-02 02:11:49,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:11:51,815 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-02 02:11:53,322 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-02 02:11:55,604 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-02 02:11:57,459 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-02 02:11:59,291 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-02 02:12:00,908 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-02 02:12:02,501 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-02 02:12:04,559 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-02 02:12:05,404 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]} [2021-06-02 02:12:05,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:05,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:05,490 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 [2021-06-02 02:12:05,493 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:05,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:05,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:05,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:05,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:05,546 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 [2021-06-02 02:12:05,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:12,806 WARN L205 SmtUtils]: Spent 7.26 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-06-02 02:12:12,808 INFO L628 ElimStorePlain]: treesize reduction 1224, result has 68.9 percent of original size [2021-06-02 02:12:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:12,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:12,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:12,881 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 [2021-06-02 02:12:12,883 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:12,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:12,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:12,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:12,921 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 [2021-06-02 02:12:12,922 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:15,818 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-02 02:12:15,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:15,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:15,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:15,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:15,903 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 [2021-06-02 02:12:15,905 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:15,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:15,953 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 [2021-06-02 02:12:15,955 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:18,653 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-02 02:12:18,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:18,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:18,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:18,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:18,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:18,722 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 [2021-06-02 02:12:18,729 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:18,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:18,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:18,779 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 [2021-06-02 02:12:18,790 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:22,348 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 707 [2021-06-02 02:12:22,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:22,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:22,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:22,400 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 [2021-06-02 02:12:22,402 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:25,832 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-02 02:12:25,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:25,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:25,881 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 [2021-06-02 02:12:25,884 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:29,208 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-02 02:12:29,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:29,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:29,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:29,261 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 [2021-06-02 02:12:29,263 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:31,762 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 663 [2021-06-02 02:12:31,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:31,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:31,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:31,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:31,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:31,797 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 [2021-06-02 02:12:31,799 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:34,248 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-02 02:12:34,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:34,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:34,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:34,293 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 [2021-06-02 02:12:34,295 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:36,616 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-02 02:12:36,617 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:36,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:36,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:36,666 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 [2021-06-02 02:12:36,668 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:36,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:36,700 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 [2021-06-02 02:12:36,705 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:38,828 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 618 [2021-06-02 02:12:38,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:38,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:38,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:38,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:38,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:38,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:38,879 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 [2021-06-02 02:12:38,881 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:38,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:38,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:38,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:38,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:38,915 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 [2021-06-02 02:12:38,918 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:40,858 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 601 [2021-06-02 02:12:40,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:40,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:40,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:40,908 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 [2021-06-02 02:12:40,910 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:40,947 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 [2021-06-02 02:12:40,948 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:42,833 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-02 02:12:42,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:42,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:42,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:42,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:42,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:42,863 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 [2021-06-02 02:12:42,865 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:44,700 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-02 02:12:44,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:44,750 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 [2021-06-02 02:12:44,752 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:44,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:44,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:44,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:44,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:44,781 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 [2021-06-02 02:12:44,783 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:46,547 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-02 02:12:46,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:46,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:46,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:46,594 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 [2021-06-02 02:12:46,597 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:46,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:46,626 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 [2021-06-02 02:12:46,628 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:48,292 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 536 [2021-06-02 02:12:48,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:48,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:48,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:48,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:48,340 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 [2021-06-02 02:12:48,341 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:48,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:48,371 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 [2021-06-02 02:12:48,372 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:49,916 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 519 [2021-06-02 02:12:49,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:49,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:49,959 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 [2021-06-02 02:12:49,961 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:49,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:49,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:49,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:49,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:49,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:49,988 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 [2021-06-02 02:12:49,990 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:51,412 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-02 02:12:51,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:51,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:51,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:51,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:51,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:51,440 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 [2021-06-02 02:12:51,441 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:52,848 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-02 02:12:52,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:52,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:52,876 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 [2021-06-02 02:12:52,878 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:54,233 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-02 02:12:54,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:54,273 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 [2021-06-02 02:12:54,274 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:54,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:54,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:54,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:54,300 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 [2021-06-02 02:12:54,302 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:55,540 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-02 02:12:55,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:55,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:55,569 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 [2021-06-02 02:12:55,570 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:56,818 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-02 02:12:56,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:56,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:56,846 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 [2021-06-02 02:12:56,849 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:58,057 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-02 02:12:58,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:58,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:58,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:58,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:58,095 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 [2021-06-02 02:12:58,097 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:58,122 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 [2021-06-02 02:12:58,124 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-02 02:12:59,229 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-02 02:12:59,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:12:59,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:59,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:12:59,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:59,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:59,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:12:59,253 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 [2021-06-02 02:12:59,256 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:00,345 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-02 02:13:00,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:00,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:13:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:00,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:00,367 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 [2021-06-02 02:13:00,369 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:01,426 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 379 [2021-06-02 02:13:01,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:01,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:13:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:01,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:01,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:01,448 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 [2021-06-02 02:13:01,450 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:02,476 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-02 02:13:02,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:02,511 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 [2021-06-02 02:13:02,512 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:02,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:02,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:13:02,534 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 [2021-06-02 02:13:02,535 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:03,481 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-02 02:13:03,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:03,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:13:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:03,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:03,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:03,503 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 [2021-06-02 02:13:03,505 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:04,391 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-02 02:13:04,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:04,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:04,423 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 [2021-06-02 02:13:04,424 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:04,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:13:04,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:04,457 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 [2021-06-02 02:13:04,458 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:05,279 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-02 02:13:05,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:05,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:13:05,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:05,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:05,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:05,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:05,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:13:05,311 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 [2021-06-02 02:13:05,312 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:05,343 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 [2021-06-02 02:13:05,345 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:06,097 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-02 02:13:06,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:06,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:13:06,124 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 [2021-06-02 02:13:06,126 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:06,840 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-02 02:13:06,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:06,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:13:06,865 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 [2021-06-02 02:13:06,867 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-02 02:13:07,539 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-02 02:13:07,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:13:07,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-02 02:13:07,575 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:226 [2021-06-02 02:13:07,790 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:13:07,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131643850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:13:07,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:13:07,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-02 02:13:07,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320921206] [2021-06-02 02:13:07,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-02 02:13:07,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:13:07,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-02 02:13:07,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-06-02 02:13:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:13:07,792 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:13:07,792 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) [2021-06-02 02:13:07,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:13:07,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:13:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:13:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:13:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:13:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:13:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:13:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:13:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:13:08,227 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2021-06-02 02:13:08,634 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-02 02:13:09,080 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-06-02 02:13:09,314 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-06-02 02:13:09,601 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-06-02 02:13:09,914 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 85 [2021-06-02 02:13:10,762 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 127 [2021-06-02 02:13:13,152 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 238 DAG size of output: 123 [2021-06-02 02:13:17,052 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 540 DAG size of output: 162 [2021-06-02 02:13:17,424 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-06-02 02:13:18,041 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-02 02:13:18,370 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-02 02:13:18,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:13:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:13:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:13:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:13:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:13:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:13:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:13:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:13:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 02:13:18,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-06-02 02:13:18,652 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:13:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:13:18,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-02 02:13:18,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:13:18,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858219641] [2021-06-02 02:13:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:13:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:13:18,792 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:13:18,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:13:18,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858219641] [2021-06-02 02:13:18,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858219641] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:13:18,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202248914] [2021-06-02 02:13:18,793 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 [2021-06-02 02:13:18,831 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-02 02:13:18,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:13:18,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-02 02:13:18,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:13:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:13:19,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202248914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:13:19,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:13:19,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-02 02:13:19,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109303632] [2021-06-02 02:13:19,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-02 02:13:19,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:13:19,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-02 02:13:19,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-02 02:13:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:13:19,056 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:13:19,056 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) [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 02:13:19,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:13:19,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 02:13:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 02:13:19,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:13:19,509 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:13:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:13:19,509 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-02 02:13:19,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:13:19,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475177769] [2021-06-02 02:13:19,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:13:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:13:22,907 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2021-06-02 02:13:24,094 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 223 DAG size of output: 122 [2021-06-02 02:13:24,327 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-06-02 02:13:30,586 WARN L205 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 419 DAG size of output: 328 [2021-06-02 02:13:31,217 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 70 [2021-06-02 02:15:26,362 WARN L205 SmtUtils]: Spent 1.92 m on a formula simplification. DAG size of input: 701 DAG size of output: 581 [2021-06-02 02:15:26,492 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-06-02 02:15:28,400 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 581 DAG size of output: 126 [2021-06-02 02:19:15,326 WARN L205 SmtUtils]: Spent 3.78 m on a formula simplification. DAG size of input: 759 DAG size of output: 752 [2021-06-02 02:19:18,175 WARN L205 SmtUtils]: Spent 2.63 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