/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.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 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 17:31:35,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 17:31:35,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 17:31:35,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 17:31:35,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-06-13 17:31:35,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 17:31:35,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 17:31:35,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 17:31:35,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 17:31:35,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 17:31:35,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 17:31:35,383 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 17:31:35,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 17:31:35,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 17:31:35,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 17:31:35,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 17:31:35,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 17:31:35,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 17:31:35,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 17:31:35,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 17:31:35,385 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 17:31:35,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 17:31:35,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 17:31:35,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 17:31:35,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 17:31:35,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 17:31:35,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 17:31:35,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 17:31:35,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 17:31:35,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 17:31:35,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 17:31:35,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 17:31:35,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 17:31:35,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 17:31:35,387 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 17:31:35,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 17:31:35,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 17:31:35,387 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 17:31:35,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 17:31:35,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 17:31:35,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 17:31:35,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 17:31:35,694 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 17:31:35,695 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 17:31:35,695 INFO L432 ainManager$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 [2021-06-13 17:31:35,695 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' [2021-06-13 17:31:35,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 17:31:35,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 17:31:35,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 17:31:35,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 17:31:35,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 17:31:35,728 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,734 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 17:31:35,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 17:31:35,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 17:31:35,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 17:31:35,749 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,750 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,751 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,752 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,756 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,759 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,760 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 13.06 05:31:35" (1/1) ... [2021-06-13 17:31:35,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 17:31:35,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 17:31:35,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 17:31:35,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 17:31:35,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:31:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 17:31:35,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 17:31:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 17:31:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 17:31:35,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 17:31:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 17:31:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 17:31:35,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 17:31:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 17:31:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 17:31:35,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 17:31:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 17:31:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 17:31:35,851 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 17:31:36,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 17:31:36,058 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 17:31:36,060 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:31:36 BoogieIcfgContainer [2021-06-13 17:31:36,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 17:31:36,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 17:31:36,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 17:31:36,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 17:31:36,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:31:35" (1/2) ... [2021-06-13 17:31:36,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9dc91a and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 05:31:36, skipping insertion in model container [2021-06-13 17:31:36,065 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 13.06 05:31:36" (2/2) ... [2021-06-13 17:31:36,066 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-06-13 17:31:36,070 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 17:31:36,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 17:31:36,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 17:31:36,071 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 17:31:36,117 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 17:31:36,139 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 17:31:36,212 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 17:31:36,213 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 17:31:36,213 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 17:31:36,213 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 17:31:36,213 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 17:31:36,213 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 17:31:36,213 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 17:31:36,213 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 17:31:36,260 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:31:36,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:31:36,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-13 17:31:36,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:31:36,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826900697] [2021-06-13 17:31:36,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:31:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:31:36,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:31:36,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:31:36,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826900697] [2021-06-13 17:31:36,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826900697] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 17:31:36,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 17:31:36,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 17:31:36,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253280163] [2021-06-13 17:31:36,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 17:31:36,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:31:36,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 17:31:36,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 17:31:36,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:36,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:31:36,436 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) [2021-06-13 17:31:36,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:36,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 17:31:36,457 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:31:36,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:31:36,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-13 17:31:36,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:31:36,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97043335] [2021-06-13 17:31:36,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:31:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:31:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:31:36,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:31:36,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97043335] [2021-06-13 17:31:36,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97043335] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 17:31:36,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 17:31:36,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 17:31:36,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790054725] [2021-06-13 17:31:36,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 17:31:36,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:31:36,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 17:31:36,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 17:31:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:36,510 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:31:36,510 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) [2021-06-13 17:31:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:36,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:31:36,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 17:31:36,550 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:31:36,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:31:36,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-13 17:31:36,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:31:36,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309522763] [2021-06-13 17:31:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:31:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:31:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:31:36,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:31:36,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309522763] [2021-06-13 17:31:36,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309522763] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:31:36,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290849845] [2021-06-13 17:31:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:31:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:31:36,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 17:31:36,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:31:37,315 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 [2021-06-13 17:31:37,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:37,321 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 [2021-06-13 17:31:37,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:37,325 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 [2021-06-13 17:31:37,327 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:37,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:31:37,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-13 17:31:37,343 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:103, output treesize:21 [2021-06-13 17:31:37,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:31:37,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290849845] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:31:37,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:31:37,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-13 17:31:37,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086241302] [2021-06-13 17:31:37,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-13 17:31:37,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:31:37,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-13 17:31:37,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-13 17:31:37,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:37,402 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:31:37,402 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) [2021-06-13 17:31:37,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:37,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:31:37,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:37,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:37,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:31:37,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:31:37,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:31:37,797 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:31:37,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:31:37,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-13 17:31:37,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:31:37,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415889686] [2021-06-13 17:31:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:31:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:31:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:31:37,976 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:31:37,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415889686] [2021-06-13 17:31:37,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415889686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:31:37,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035384786] [2021-06-13 17:31:37,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:31:38,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 17:31:38,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:31:38,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 17:31:38,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:31:38,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:31:38,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035384786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:31:38,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:31:38,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-13 17:31:38,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711811252] [2021-06-13 17:31:38,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-13 17:31:38,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:31:38,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-13 17:31:38,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-13 17:31:38,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:38,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:31:38,185 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) [2021-06-13 17:31:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:31:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:31:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:31:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:31:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:31:38,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:31:38,616 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:31:38,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:31:38,617 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-13 17:31:38,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:31:38,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41038271] [2021-06-13 17:31:38,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:31:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:31:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:31:38,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:31:38,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41038271] [2021-06-13 17:31:38,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41038271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:31:38,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234462820] [2021-06-13 17:31:38,746 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 [2021-06-13 17:31:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:31:38,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 17:31:38,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:31:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:31:38,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234462820] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:31:38,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:31:38,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-13 17:31:38,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705556593] [2021-06-13 17:31:38,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 17:31:38,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:31:38,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 17:31:38,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-13 17:31:38,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:38,983 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:31:38,984 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) [2021-06-13 17:31:38,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:38,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:31:38,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:31:38,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:31:38,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:31:39,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:31:39,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:31:39,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:31:39,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:31:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:31:39,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:31:39,357 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:31:39,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:31:39,358 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-13 17:31:39,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:31:39,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569139826] [2021-06-13 17:31:39,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:31:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:31:40,134 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 32 [2021-06-13 17:31:40,464 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-06-13 17:31:40,923 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-06-13 17:31:41,315 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-13 17:31:41,619 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-06-13 17:31:41,920 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-13 17:31:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:31:42,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:31:42,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569139826] [2021-06-13 17:31:42,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569139826] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:31:42,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879808012] [2021-06-13 17:31:42,121 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 [2021-06-13 17:31:42,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 17:31:42,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:31:42,215 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-13 17:31:42,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:31:42,916 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-13 17:31:43,208 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-13 17:31:43,397 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-13 17:31:43,613 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-13 17:31:44,663 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-13 17:31:47,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:48,092 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-13 17:31:48,093 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 [2021-06-13 17:31:48,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:48,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:48,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:48,257 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:31:48,258 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 [2021-06-13 17:31:48,261 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:50,079 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-13 17:31:50,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:31:50,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:50,195 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-13 17:31:50,195 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 [2021-06-13 17:31:50,204 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:50,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:50,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:50,307 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 17:31:50,307 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 [2021-06-13 17:31:50,319 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:52,038 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 341 [2021-06-13 17:31:52,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:31:52,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:52,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:52,135 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:31:52,135 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 [2021-06-13 17:31:52,148 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:52,233 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-13 17:31:52,233 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 [2021-06-13 17:31:52,242 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:55,467 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-13 17:31:55,468 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-06-13 17:31:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:55,563 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:31:55,563 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 [2021-06-13 17:31:55,566 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:55,658 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:31:55,659 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 [2021-06-13 17:31:55,669 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:57,188 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-13 17:31:57,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:31:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:57,301 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:31:57,301 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 [2021-06-13 17:31:57,310 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:57,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:57,413 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 17:31:57,414 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 [2021-06-13 17:31:57,419 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:58,856 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-13 17:31:58,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:31:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:58,939 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-13 17:31:58,939 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 [2021-06-13 17:31:58,943 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-13 17:31:58,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:31:59,005 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-13 17:31:59,005 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 [2021-06-13 17:31:59,019 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:00,417 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 302 [2021-06-13 17:32:00,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:00,511 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-13 17:32:00,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-13 17:32:00,523 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:00,596 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:32:00,597 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 [2021-06-13 17:32:00,599 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:01,912 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 290 [2021-06-13 17:32:01,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:01,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:02,003 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:32:02,003 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 [2021-06-13 17:32:02,015 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:02,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:02,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:02,082 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:32:02,082 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 [2021-06-13 17:32:02,084 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:04,694 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2021-06-13 17:32:04,695 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-13 17:32:04,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:04,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:04,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:04,795 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 [2021-06-13 17:32:04,817 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:04,875 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-13 17:32:04,875 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 [2021-06-13 17:32:04,878 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:06,133 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-13 17:32:06,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:06,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:06,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:06,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:06,214 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 [2021-06-13 17:32:06,236 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:06,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:06,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:06,329 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-13 17:32:06,330 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 [2021-06-13 17:32:06,358 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:08,738 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-13 17:32:08,739 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.1 percent of original size [2021-06-13 17:32:08,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:08,807 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-13 17:32:08,807 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 [2021-06-13 17:32:08,809 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:08,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:08,856 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-13 17:32:08,857 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 [2021-06-13 17:32:08,858 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:09,981 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-13 17:32:09,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:09,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:09,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:10,054 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 17:32:10,055 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 [2021-06-13 17:32:10,067 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:10,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:10,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:10,115 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-13 17:32:10,115 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 [2021-06-13 17:32:10,129 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:11,197 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 238 [2021-06-13 17:32:11,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:11,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:11,267 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 17:32:11,267 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 [2021-06-13 17:32:11,278 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:11,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:11,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:11,325 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-13 17:32:11,326 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 [2021-06-13 17:32:11,332 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:12,381 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 225 [2021-06-13 17:32:12,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:12,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:12,448 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:32:12,448 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 [2021-06-13 17:32:12,461 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:12,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:12,523 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 17:32:12,523 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 [2021-06-13 17:32:12,542 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:13,526 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-06-13 17:32:13,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:13,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:13,593 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-13 17:32:13,593 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 [2021-06-13 17:32:13,614 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:13,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:13,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:13,662 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-13 17:32:13,662 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 [2021-06-13 17:32:13,671 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:14,600 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-06-13 17:32:14,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:14,664 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:32:14,665 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 [2021-06-13 17:32:14,673 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:14,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:14,709 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:32:14,710 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 [2021-06-13 17:32:14,712 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:15,596 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-13 17:32:15,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:32:15,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-13 17:32:15,892 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2233, output treesize:2097 [2021-06-13 17:32:16,602 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-06-13 17:32:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:32:16,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879808012] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:32:16,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:32:16,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-13 17:32:16,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45732842] [2021-06-13 17:32:16,769 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-13 17:32:16,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:32:16,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-13 17:32:16,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-13 17:32:16,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:32:16,770 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:32:16,770 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) [2021-06-13 17:32:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:32:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:32:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:32:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:32:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:32:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:32:17,081 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2021-06-13 17:32:17,263 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-06-13 17:32:17,595 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-13 17:32:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:32:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:32:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:32:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:32:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:32:17,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:32:17,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-13 17:32:17,889 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:32:17,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:32:17,890 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-13 17:32:17,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:32:17,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118211878] [2021-06-13 17:32:17,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:32:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:32:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:32:17,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:32:17,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118211878] [2021-06-13 17:32:17,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118211878] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:32:17,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117450073] [2021-06-13 17:32:17,979 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 [2021-06-13 17:32:18,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-13 17:32:18,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:32:18,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-13 17:32:18,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:32:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:32:18,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117450073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:32:18,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:32:18,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-13 17:32:18,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584538761] [2021-06-13 17:32:18,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-13 17:32:18,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:32:18,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-13 17:32:18,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-13 17:32:18,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:32:18,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:32:18,199 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) [2021-06-13 17:32:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:32:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:32:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:32:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:32:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:32:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:32:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:32:18,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:32:18,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:32:18,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:32:18,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:32:18,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:32:18,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:32:18,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:32:18,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:32:18,826 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:32:18,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:32:18,826 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-13 17:32:18,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:32:18,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242311722] [2021-06-13 17:32:18,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:32:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:32:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:32:18,922 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:32:18,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242311722] [2021-06-13 17:32:18,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242311722] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:32:18,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356354618] [2021-06-13 17:32:18,923 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 [2021-06-13 17:32:18,955 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 17:32:18,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:32:18,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-13 17:32:18,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:32:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:32:19,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356354618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:32:19,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:32:19,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-13 17:32:19,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783999045] [2021-06-13 17:32:19,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-13 17:32:19,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:32:19,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-13 17:32:19,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-13 17:32:19,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:32:19,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:32:19,074 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) [2021-06-13 17:32:19,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:32:19,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:32:19,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:32:19,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:32:19,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:32:19,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:32:19,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:32:19,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:32:19,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:32:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:32:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:32:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:32:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:32:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:32:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:32:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:32:19,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-13 17:32:19,421 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:32:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:32:19,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-13 17:32:19,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:32:19,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987115996] [2021-06-13 17:32:19,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:32:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:32:20,855 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-06-13 17:32:21,142 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2021-06-13 17:32:21,343 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2021-06-13 17:32:21,668 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2021-06-13 17:32:24,296 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 320 DAG size of output: 295 [2021-06-13 17:32:25,146 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 131 [2021-06-13 17:32:28,329 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-06-13 17:32:29,247 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 150 [2021-06-13 17:32:31,937 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 305 DAG size of output: 293 [2021-06-13 17:32:32,869 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 145 [2021-06-13 17:32:34,371 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-13 17:32:35,167 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 118 [2021-06-13 17:32:36,645 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-06-13 17:32:37,020 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 66 [2021-06-13 17:32:37,946 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2021-06-13 17:32:38,141 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-06-13 17:32:39,029 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-06-13 17:32:39,221 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-06-13 17:32:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:32:39,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:32:39,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987115996] [2021-06-13 17:32:39,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987115996] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:32:39,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690636742] [2021-06-13 17:32:39,487 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 [2021-06-13 17:32:39,549 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-13 17:32:39,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:32:39,550 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-13 17:32:39,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:32:41,597 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-13 17:32:43,127 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-13 17:32:45,407 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-13 17:32:47,229 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-13 17:32:49,097 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-13 17:32:50,733 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-13 17:32:52,243 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-13 17:32:54,177 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-13 17:32:55,039 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]} [2021-06-13 17:32:55,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:32:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:55,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:55,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:55,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:55,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:32:55,131 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 [2021-06-13 17:32:55,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:32:55,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:32:55,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:32:55,186 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 [2021-06-13 17:32:55,189 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:02,390 WARN L205 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-06-13 17:33:02,391 INFO L628 ElimStorePlain]: treesize reduction 1224, result has 68.9 percent of original size [2021-06-13 17:33:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:02,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:02,458 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 [2021-06-13 17:33:02,461 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:02,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:02,500 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 [2021-06-13 17:33:02,501 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:05,393 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-13 17:33:05,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:05,456 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 [2021-06-13 17:33:05,457 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:05,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:05,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:05,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:05,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:05,504 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 [2021-06-13 17:33:05,505 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:08,338 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-13 17:33:08,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:08,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:08,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:08,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:08,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:08,395 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 [2021-06-13 17:33:08,397 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:08,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:08,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:08,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:08,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:08,441 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 [2021-06-13 17:33:08,443 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:11,010 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 707 [2021-06-13 17:33:11,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:11,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:11,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:11,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:11,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:11,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:11,053 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 [2021-06-13 17:33:11,055 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:13,569 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-13 17:33:13,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:13,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:13,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:13,604 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 [2021-06-13 17:33:13,606 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:16,131 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-13 17:33:16,132 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:16,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:16,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:16,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:16,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:16,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:16,165 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 [2021-06-13 17:33:16,167 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:18,603 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 663 [2021-06-13 17:33:18,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:18,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:18,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:18,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:18,647 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 [2021-06-13 17:33:18,649 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:20,970 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-13 17:33:20,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:20,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:21,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:21,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:21,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:21,005 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 [2021-06-13 17:33:21,006 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:23,366 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-13 17:33:23,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:23,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:23,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 17:33:23,419 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:23,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:23,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:23,453 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 [2021-06-13 17:33:23,454 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:25,523 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 618 [2021-06-13 17:33:25,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:25,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:25,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:25,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:25,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:25,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:25,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:25,570 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 [2021-06-13 17:33:25,572 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:25,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:25,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:25,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:25,605 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 [2021-06-13 17:33:25,608 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:27,634 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 601 [2021-06-13 17:33:27,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:27,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:27,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:27,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:27,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:27,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:27,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:27,684 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 [2021-06-13 17:33:27,686 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:27,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:27,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:27,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:27,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:27,717 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 [2021-06-13 17:33:27,719 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:29,615 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-13 17:33:29,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:29,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:29,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:29,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:29,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:29,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:29,643 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 [2021-06-13 17:33:29,645 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:31,528 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-13 17:33:31,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:31,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:31,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:31,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:31,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:31,574 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 [2021-06-13 17:33:31,576 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:31,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:31,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:31,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:31,605 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 [2021-06-13 17:33:31,607 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:33,398 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-13 17:33:33,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:33,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:33,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:33,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:33,446 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 [2021-06-13 17:33:33,449 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:33,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:33,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:33,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:33,478 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 [2021-06-13 17:33:33,479 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:35,181 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 536 [2021-06-13 17:33:35,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:35,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:35,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:35,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:35,222 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 [2021-06-13 17:33:35,223 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:35,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:35,250 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 [2021-06-13 17:33:35,251 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:36,806 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 519 [2021-06-13 17:33:36,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:36,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:36,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:36,852 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 [2021-06-13 17:33:36,855 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:36,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:36,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:36,881 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 [2021-06-13 17:33:36,883 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:38,344 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-13 17:33:38,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:38,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:38,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:38,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:38,384 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 [2021-06-13 17:33:38,386 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:39,759 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-13 17:33:39,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:39,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:39,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:39,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:39,788 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 [2021-06-13 17:33:39,789 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:41,124 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-13 17:33:41,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:41,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:41,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:41,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:41,164 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 [2021-06-13 17:33:41,166 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:41,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:41,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:41,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:41,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:41,191 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 [2021-06-13 17:33:41,193 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:42,457 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-13 17:33:42,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:42,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:42,482 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 [2021-06-13 17:33:42,484 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:43,714 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-13 17:33:43,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:43,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:43,740 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 [2021-06-13 17:33:43,741 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:44,938 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-13 17:33:44,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:44,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:44,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:44,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:44,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:44,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:44,974 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 [2021-06-13 17:33:44,976 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:44,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:44,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:44,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:44,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:44,998 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 [2021-06-13 17:33:45,000 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:46,110 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-13 17:33:46,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:46,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:46,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:46,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:46,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:46,134 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 [2021-06-13 17:33:46,135 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:47,226 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-13 17:33:47,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:47,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:47,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:47,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:47,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:47,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:47,249 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 [2021-06-13 17:33:47,250 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:48,291 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 379 [2021-06-13 17:33:48,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:48,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:48,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:48,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:48,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:48,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:48,316 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 [2021-06-13 17:33:48,323 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:49,338 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-13 17:33:49,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:49,372 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 [2021-06-13 17:33:49,374 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:49,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:49,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:49,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:49,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:49,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:49,401 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 [2021-06-13 17:33:49,403 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:50,345 WARN L205 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-13 17:33:50,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:50,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:50,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:50,366 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 [2021-06-13 17:33:50,367 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:51,271 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-13 17:33:51,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:51,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:51,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:51,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:51,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:51,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-13 17:33:51,304 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:51,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:51,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:51,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:51,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:51,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:51,334 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 [2021-06-13 17:33:51,335 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:52,156 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-13 17:33:52,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:52,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:52,185 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 [2021-06-13 17:33:52,187 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-13 17:33:52,207 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:52,961 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-13 17:33:52,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:52,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:33:52,986 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 [2021-06-13 17:33:52,988 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:53,725 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-13 17:33:53,726 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:53,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:33:53,749 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 [2021-06-13 17:33:53,751 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-13 17:33:54,427 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-13 17:33:54,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:33:54,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-13 17:33:54,456 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:226 [2021-06-13 17:33:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:33:54,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690636742] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:33:54,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:33:54,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-13 17:33:54,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969029588] [2021-06-13 17:33:54,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-13 17:33:54,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:33:54,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-13 17:33:54,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-06-13 17:33:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:33:54,671 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:33:54,671 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) [2021-06-13 17:33:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:33:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:33:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:33:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:33:54,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:33:54,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:33:54,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:33:54,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:33:54,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:33:55,199 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2021-06-13 17:33:55,603 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-13 17:33:56,069 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-06-13 17:33:56,310 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-06-13 17:33:56,612 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-06-13 17:33:56,931 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 85 [2021-06-13 17:33:57,776 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 127 [2021-06-13 17:34:00,148 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 238 DAG size of output: 123 [2021-06-13 17:34:03,955 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 540 DAG size of output: 162 [2021-06-13 17:34:04,328 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-06-13 17:34:04,940 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-13 17:34:05,288 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-13 17:34:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:34:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 17:34:05,574 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-06-13 17:34:05,574 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:34:05,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:34:05,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-13 17:34:05,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:34:05,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637462347] [2021-06-13 17:34:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:34:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:34:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:34:05,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:34:05,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637462347] [2021-06-13 17:34:05,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637462347] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:34:05,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146599280] [2021-06-13 17:34:05,698 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 [2021-06-13 17:34:05,753 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-13 17:34:05,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:34:05,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-13 17:34:05,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:34:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:34:06,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146599280] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:34:06,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:34:06,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-13 17:34:06,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028229705] [2021-06-13 17:34:06,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-13 17:34:06,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:34:06,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-13 17:34:06,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-13 17:34:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:34:06,046 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:34:06,047 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) [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-13 17:34:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:34:06,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:34:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:34:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:34:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:34:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:34:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:34:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:34:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:34:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 17:34:06,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 17:34:06,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:34:06,481 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:34:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:34:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-13 17:34:06,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:34:06,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123291370] [2021-06-13 17:34:06,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:34:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:34:09,779 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2021-06-13 17:34:10,793 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 122 [2021-06-13 17:34:11,057 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-06-13 17:34:17,044 WARN L205 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 419 DAG size of output: 328 [2021-06-13 17:34:17,692 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 70 [2021-06-13 17:36:12,449 WARN L205 SmtUtils]: Spent 1.91 m on a formula simplification. DAG size of input: 701 DAG size of output: 581 [2021-06-13 17:36:12,560 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-06-13 17:36:14,425 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 581 DAG size of output: 126 [2021-06-13 17:39:59,745 WARN L205 SmtUtils]: Spent 3.76 m on a formula simplification. DAG size of input: 759 DAG size of output: 752 [2021-06-13 17:40:02,508 WARN L205 SmtUtils]: Spent 2.58 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