/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 11:50:38,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 11:50:38,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 11:50:38,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 11:50:38,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 11:50:38,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 11:50:38,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 11:50:38,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-10 11:50:38,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 11:50:38,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 11:50:38,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 11:50:38,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 11:50:38,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 11:50:38,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 11:50:38,328 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 11:50:38,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 11:50:38,329 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 11:50:38,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 11:50:38,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 11:50:38,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 11:50:38,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 11:50:38,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 11:50:38,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 11:50:38,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 11:50:38,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 11:50:38,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 11:50:38,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 11:50:38,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 11:50:38,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 11:50:38,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 11:50:38,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 11:50:38,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:50:38,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 11:50:38,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 11:50:38,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 11:50:38,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 11:50:38,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 11:50:38,331 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 11:50:38,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 11:50:38,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 11:50:38,331 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 11:50:38,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 11:50:38,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 11:50:38,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 11:50:38,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 11:50:38,639 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 11:50:38,641 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 11:50:38,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-07-10 11:50:38,642 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-07-10 11:50:38,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 11:50:38,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 11:50:38,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 11:50:38,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 11:50:38,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 11:50:38,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 11:50:38,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 11:50:38,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 11:50:38,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 11:50:38,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... [2021-07-10 11:50:38,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 11:50:38,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 11:50:38,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 11:50:38,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 11:50:38,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:50:38,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 11:50:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 11:50:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 11:50:38,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 11:50:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 11:50:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 11:50:38,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 11:50:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 11:50:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 11:50:38,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 11:50:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 11:50:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 11:50:38,848 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 11:50:39,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 11:50:39,168 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 11:50:39,170 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:50:39 BoogieIcfgContainer [2021-07-10 11:50:39,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 11:50:39,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 11:50:39,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 11:50:39,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 11:50:39,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:50:38" (1/2) ... [2021-07-10 11:50:39,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a286cbe and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 11:50:39, skipping insertion in model container [2021-07-10 11:50:39,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:50:39" (2/2) ... [2021-07-10 11:50:39,177 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-07-10 11:50:39,181 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 11:50:39,182 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 11:50:39,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 11:50:39,183 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 11:50:39,227 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 11:50:39,245 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 11:50:39,297 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 11:50:39,298 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 11:50:39,298 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 11:50:39,298 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 11:50:39,298 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 11:50:39,298 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 11:50:39,298 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 11:50:39,298 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 11:50:39,478 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:39,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:39,487 INFO L82 PathProgramCache]: Analyzing trace with hash -838814465, now seen corresponding path program 1 times [2021-07-10 11:50:39,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:39,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044691435] [2021-07-10 11:50:39,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:50:39,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:39,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044691435] [2021-07-10 11:50:39,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044691435] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:50:39,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:50:39,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 11:50:39,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319092212] [2021-07-10 11:50:39,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 11:50:39,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:39,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 11:50:39,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 11:50:39,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:39,679 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:39,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:39,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:39,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:39,720 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 11:50:39,720 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:39,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:39,725 INFO L82 PathProgramCache]: Analyzing trace with hash -207610783, now seen corresponding path program 2 times [2021-07-10 11:50:39,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:39,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141099502] [2021-07-10 11:50:39,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:50:39,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:39,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141099502] [2021-07-10 11:50:39,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141099502] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:39,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049337362] [2021-07-10 11:50:39,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:39,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:50:39,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:50:39,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 11:50:39,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:50:40,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-07-10 11:50:40,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:40,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:40,227 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 11:50:40,227 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-07-10 11:50:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:50:40,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049337362] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:40,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:50:40,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-10 11:50:40,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629691705] [2021-07-10 11:50:40,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 11:50:40,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:40,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 11:50:40,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-10 11:50:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:40,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:40,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:40,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:40,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:40,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:40,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:40,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:40,873 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:40,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:40,873 INFO L82 PathProgramCache]: Analyzing trace with hash -701174841, now seen corresponding path program 3 times [2021-07-10 11:50:40,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:40,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220318015] [2021-07-10 11:50:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 11:50:41,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:41,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220318015] [2021-07-10 11:50:41,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220318015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:41,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968901627] [2021-07-10 11:50:41,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:41,332 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 11:50:41,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:50:41,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 11:50:41,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:50:41,556 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:50:41,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-07-10 11:50:41,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:41,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:41,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:41,563 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:9 [2021-07-10 11:50:41,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:50:41,714 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:41,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:41,716 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:41,716 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:50:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:50:41,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968901627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:41,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:50:41,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 25 [2021-07-10 11:50:41,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678729467] [2021-07-10 11:50:41,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 11:50:41,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:41,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 11:50:41,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2021-07-10 11:50:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:41,788 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:41,789 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:43,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:43,069 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:43,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:43,069 INFO L82 PathProgramCache]: Analyzing trace with hash -134283570, now seen corresponding path program 4 times [2021-07-10 11:50:43,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:43,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245519404] [2021-07-10 11:50:43,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:50:43,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:43,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245519404] [2021-07-10 11:50:43,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245519404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:43,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523865787] [2021-07-10 11:50:43,646 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:43,709 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:50:43,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:50:43,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 11:50:43,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:50:43,880 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 11:50:43,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-07-10 11:50:43,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:43,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:43,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:43,894 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2021-07-10 11:50:44,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:50:44,007 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:44,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:44,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:44,009 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:50:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 11:50:44,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523865787] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:44,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:50:44,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11] total 29 [2021-07-10 11:50:44,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535094432] [2021-07-10 11:50:44,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 11:50:44,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:44,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 11:50:44,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2021-07-10 11:50:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:44,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:44,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.6) internal successors, (108), 29 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:44,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:44,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:44,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:44,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:45,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:45,465 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:45,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:45,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1948281524, now seen corresponding path program 5 times [2021-07-10 11:50:45,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:45,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196825889] [2021-07-10 11:50:45,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-10 11:50:45,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:45,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196825889] [2021-07-10 11:50:45,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196825889] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:45,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241564040] [2021-07-10 11:50:45,778 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:45,840 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-10 11:50:45,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:50:45,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 11:50:45,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:50:46,082 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-10 11:50:46,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-07-10 11:50:46,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:46,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:46,089 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:46,089 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:9 [2021-07-10 11:50:46,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:50:46,228 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:46,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:46,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:46,230 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:50:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 11:50:46,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241564040] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:46,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:50:46,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-10 11:50:46,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424918045] [2021-07-10 11:50:46,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 11:50:46,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:46,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 11:50:46,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2021-07-10 11:50:46,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:46,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:46,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.962962962962963) internal successors, (107), 26 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:46,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:46,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:46,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:46,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:46,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 11:50:47,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-10 11:50:47,537 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:47,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:47,537 INFO L82 PathProgramCache]: Analyzing trace with hash -327852031, now seen corresponding path program 6 times [2021-07-10 11:50:47,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:47,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743111740] [2021-07-10 11:50:47,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-10 11:50:48,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:48,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743111740] [2021-07-10 11:50:48,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743111740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:48,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637023404] [2021-07-10 11:50:48,071 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:48,154 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-10 11:50:48,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:50:48,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 11:50:48,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:50:48,610 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-10 11:50:48,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 16 [2021-07-10 11:50:48,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:48,617 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:48,618 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:48,618 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:9 [2021-07-10 11:50:48,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:50:48,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:48,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:48,880 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:48,880 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:50:48,946 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-10 11:50:48,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637023404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:48,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:50:48,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 34 [2021-07-10 11:50:48,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186881937] [2021-07-10 11:50:48,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 11:50:48,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:48,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 11:50:48,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1071, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 11:50:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:48,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:48,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.5142857142857142) internal successors, (123), 34 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:48,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:48,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:48,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:48,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:48,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 11:50:48,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:50:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:50:51,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:51,993 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:51,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:51,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1787234547, now seen corresponding path program 7 times [2021-07-10 11:50:51,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:51,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411444953] [2021-07-10 11:50:51,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-10 11:50:52,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:52,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411444953] [2021-07-10 11:50:52,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411444953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:52,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884072338] [2021-07-10 11:50:52,101 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:52,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 11:50:52,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:50:52,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:52,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:52,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-07-10 11:50:52,242 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:52,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:52,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:52,245 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:5 [2021-07-10 11:50:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-10 11:50:52,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884072338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:52,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:50:52,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 13 [2021-07-10 11:50:52,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600174995] [2021-07-10 11:50:52,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 11:50:52,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:52,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 11:50:52,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2021-07-10 11:50:52,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:52,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:52,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:50:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:50:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:50:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:50:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:50:52,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:52,601 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:52,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:52,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1022776597, now seen corresponding path program 8 times [2021-07-10 11:50:52,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:52,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105781199] [2021-07-10 11:50:52,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 237 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:50:53,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:53,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105781199] [2021-07-10 11:50:53,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105781199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:53,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733167402] [2021-07-10 11:50:53,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:53,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:50:53,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:50:53,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 11:50:53,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:50:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:53,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:53,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:50:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:50:53,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-07-10 11:50:53,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:53,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:53,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:53,821 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:9 [2021-07-10 11:50:53,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:50:53,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:53,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:53,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:53,932 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:50:53,944 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-10 11:50:53,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733167402] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:53,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:50:53,944 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19] total 34 [2021-07-10 11:50:53,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116351254] [2021-07-10 11:50:53,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 11:50:53,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:53,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 11:50:53,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 11:50:53,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:53,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:53,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.3714285714285714) internal successors, (118), 34 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:53,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:53,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:53,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:53,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:53,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:50:53,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:50:53,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:50:53,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:50:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:50:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:50:55,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:50:55,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-10 11:50:55,243 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:55,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:55,243 INFO L82 PathProgramCache]: Analyzing trace with hash 75168601, now seen corresponding path program 9 times [2021-07-10 11:50:55,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:55,243 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976758172] [2021-07-10 11:50:55,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 21 proven. 238 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:50:55,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:55,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976758172] [2021-07-10 11:50:55,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976758172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:55,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980504170] [2021-07-10 11:50:55,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:55,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-07-10 11:50:55,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:50:55,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-10 11:50:55,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:50:56,425 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-10 11:50:56,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 19 [2021-07-10 11:50:56,428 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:56,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:56,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:56,431 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:9 [2021-07-10 11:50:56,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:50:56,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:50:56,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:50:56,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:50:56,666 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:50:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:50:56,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980504170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:56,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:50:56,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 43 [2021-07-10 11:50:56,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145634524] [2021-07-10 11:50:56,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-10 11:50:56,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:50:56,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-10 11:50:56,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1700, Unknown=0, NotChecked=0, Total=1892 [2021-07-10 11:50:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:56,691 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:50:56,691 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 3.5) internal successors, (154), 43 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:50:56,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:50:57,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:50:57,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:50:57,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:50:57,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:50:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:50:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:50:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:50:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:50:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:50:58,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:58,194 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:50:58,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:50:58,194 INFO L82 PathProgramCache]: Analyzing trace with hash 532129726, now seen corresponding path program 10 times [2021-07-10 11:50:58,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:50:58,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970407751] [2021-07-10 11:50:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:50:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:50:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:50:58,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:50:58,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970407751] [2021-07-10 11:50:58,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970407751] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:50:58,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464454603] [2021-07-10 11:50:58,876 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:50:58,951 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:50:58,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:50:58,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-10 11:50:58,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:00,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 11:51:00,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:00,833 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 11:51:00,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 11:51:00,842 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:00,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:00,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 11:51:00,914 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:241, output treesize:193 [2021-07-10 11:51:01,489 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-07-10 11:51:01,925 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_9, q3, v_prenex_2, v_prenex_6], 45=[v_prenex_8, q1]} [2021-07-10 11:51:01,960 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:51:01,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-07-10 11:51:01,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:02,128 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-10 11:51:02,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:02,136 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:51:02,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-07-10 11:51:02,138 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:02,288 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-10 11:51:02,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:02,301 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:51:02,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-07-10 11:51:02,302 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:02,427 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-07-10 11:51:02,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:02,449 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 11:51:02,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-07-10 11:51:02,451 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:02,566 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-07-10 11:51:02,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:02,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 36 [2021-07-10 11:51:02,637 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:02,657 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-07-10 11:51:02,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 78 treesize of output 36 [2021-07-10 11:51:02,662 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:02,716 INFO L628 ElimStorePlain]: treesize reduction 170, result has 19.4 percent of original size [2021-07-10 11:51:02,717 INFO L518 ElimStorePlain]: Eliminatee q1 vanished before elimination [2021-07-10 11:51:02,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:51:02,718 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:441, output treesize:37 [2021-07-10 11:51:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-10 11:51:02,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464454603] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:02,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:02,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 56 [2021-07-10 11:51:02,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921183494] [2021-07-10 11:51:02,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-10 11:51:02,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:02,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-10 11:51:02,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=3019, Unknown=0, NotChecked=0, Total=3192 [2021-07-10 11:51:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:02,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:02,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.3859649122807016) internal successors, (193), 56 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:51:02,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:02,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:02,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:02,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:02,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:02,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:02,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:02,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:02,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:02,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:05,342 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:05,342 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:05,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:05,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1380372833, now seen corresponding path program 11 times [2021-07-10 11:51:05,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:05,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860859981] [2021-07-10 11:51:05,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:06,140 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 461 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 11:51:06,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:06,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860859981] [2021-07-10 11:51:06,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860859981] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:06,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570405939] [2021-07-10 11:51:06,141 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:06,214 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-07-10 11:51:06,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:06,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 11:51:06,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:07,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:51:07,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:07,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 28 [2021-07-10 11:51:07,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:07,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:07,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:07,894 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:9 [2021-07-10 11:51:08,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:51:08,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:08,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:08,053 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:08,053 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:51:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:51:08,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570405939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:08,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:08,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 53 [2021-07-10 11:51:08,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034563495] [2021-07-10 11:51:08,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-10 11:51:08,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:08,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-10 11:51:08,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2725, Unknown=0, NotChecked=0, Total=2862 [2021-07-10 11:51:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:08,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:08,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 3.1666666666666665) internal successors, (171), 53 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:10,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-10 11:51:10,749 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:10,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:10,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2473954, now seen corresponding path program 12 times [2021-07-10 11:51:10,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:10,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714663934] [2021-07-10 11:51:10,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:51:11,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:11,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714663934] [2021-07-10 11:51:11,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714663934] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:11,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751153871] [2021-07-10 11:51:11,682 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:11,767 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-07-10 11:51:11,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:11,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-10 11:51:11,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:51:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:14,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 34 [2021-07-10 11:51:14,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:14,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:14,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:14,295 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:13 [2021-07-10 11:51:14,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:51:14,573 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:14,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:14,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:14,574 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:51:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 11:51:14,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751153871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:14,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:14,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 65 [2021-07-10 11:51:14,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51993984] [2021-07-10 11:51:14,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-10 11:51:14,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:14,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-10 11:51:14,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4125, Unknown=0, NotChecked=0, Total=4290 [2021-07-10 11:51:14,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:14,587 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:14,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 3.212121212121212) internal successors, (212), 65 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:18,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:18,119 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:18,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:18,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1428666431, now seen corresponding path program 13 times [2021-07-10 11:51:18,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:18,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713422192] [2021-07-10 11:51:18,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 358 proven. 64 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-07-10 11:51:18,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:18,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713422192] [2021-07-10 11:51:18,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713422192] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:18,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5245737] [2021-07-10 11:51:18,328 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:18,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 11:51:18,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:18,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-07-10 11:51:18,625 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:18,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:18,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:18,627 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:5 [2021-07-10 11:51:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 358 proven. 64 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-07-10 11:51:18,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5245737] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:18,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:18,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 25 [2021-07-10 11:51:18,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450591106] [2021-07-10 11:51:18,769 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 11:51:18,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:18,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 11:51:18,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=430, Unknown=0, NotChecked=0, Total=650 [2021-07-10 11:51:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:18,770 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:18,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:18,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:18,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:18,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:18,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:18,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:19,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-10 11:51:19,152 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:19,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:19,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1593357089, now seen corresponding path program 14 times [2021-07-10 11:51:19,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:19,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77874275] [2021-07-10 11:51:19,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 87 proven. 576 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:51:20,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:20,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77874275] [2021-07-10 11:51:20,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77874275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:20,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859792143] [2021-07-10 11:51:20,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:20,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:51:20,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:20,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-10 11:51:20,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:21,584 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-07-10 11:51:21,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 71 treesize of output 31 [2021-07-10 11:51:21,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:21,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:21,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:21,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:9 [2021-07-10 11:51:21,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-10 11:51:21,718 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:21,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:21,720 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:21,720 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-10 11:51:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:51:21,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859792143] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:21,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:21,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 67 [2021-07-10 11:51:21,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908228261] [2021-07-10 11:51:21,733 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-07-10 11:51:21,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:21,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-07-10 11:51:21,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=4137, Unknown=0, NotChecked=0, Total=4556 [2021-07-10 11:51:21,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:21,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:21,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 3.0441176470588234) internal successors, (207), 67 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:51:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:24,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:24,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:24,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:51:24,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:24,921 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:24,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:24,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1450968570, now seen corresponding path program 15 times [2021-07-10 11:51:24,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:24,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246156386] [2021-07-10 11:51:24,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:51:26,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:26,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246156386] [2021-07-10 11:51:26,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246156386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:26,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768481362] [2021-07-10 11:51:26,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:26,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-07-10 11:51:26,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:26,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 11:51:26,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:28,568 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-07-10 11:51:28,922 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-07-10 11:51:29,356 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-10 11:51:29,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:29,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 11:51:29,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:29,669 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 11:51:29,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 11:51:29,671 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:29,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:29,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 11:51:29,773 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:297, output treesize:249 [2021-07-10 11:51:30,718 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-07-10 11:51:31,065 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-10 11:51:31,269 INFO L446 ElimStorePlain]: Different costs {1=[q3, v_prenex_13, v_prenex_11, v_prenex_18, v_prenex_15], 91=[v_prenex_17], 105=[q1]} [2021-07-10 11:51:31,282 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 11:51:31,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2021-07-10 11:51:31,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:31,534 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-07-10 11:51:31,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:31,543 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:51:31,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2021-07-10 11:51:31,544 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:31,779 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-07-10 11:51:31,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:31,789 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:51:31,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2021-07-10 11:51:31,790 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:32,016 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-07-10 11:51:32,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:32,025 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:51:32,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2021-07-10 11:51:32,026 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:32,267 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-10 11:51:32,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:32,275 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:51:32,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2021-07-10 11:51:32,276 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:32,490 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-10 11:51:32,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,605 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-07-10 11:51:32,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2021-07-10 11:51:32,610 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 53 [2021-07-10 11:51:32,688 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:32,819 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-07-10 11:51:32,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:32,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,932 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-07-10 11:51:32,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2021-07-10 11:51:32,943 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:32,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:33,086 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-07-10 11:51:33,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 53 [2021-07-10 11:51:33,093 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:33,102 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-10 11:51:33,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 115 treesize of output 51 [2021-07-10 11:51:33,107 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:33,148 INFO L628 ElimStorePlain]: treesize reduction 28, result has 63.2 percent of original size [2021-07-10 11:51:33,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:51:33,149 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 12 variables, input treesize:711, output treesize:48 [2021-07-10 11:51:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 8 proven. 490 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-07-10 11:51:33,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768481362] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:33,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:33,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 31] total 75 [2021-07-10 11:51:33,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525036008] [2021-07-10 11:51:33,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-07-10 11:51:33,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:33,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-07-10 11:51:33,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=5443, Unknown=0, NotChecked=0, Total=5700 [2021-07-10 11:51:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:33,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:33,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.0789473684210527) internal successors, (234), 75 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:51:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:51:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:51:38,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 11:51:38,713 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:38,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:38,713 INFO L82 PathProgramCache]: Analyzing trace with hash 533773927, now seen corresponding path program 16 times [2021-07-10 11:51:38,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:38,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102082199] [2021-07-10 11:51:38,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 11:51:40,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:40,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102082199] [2021-07-10 11:51:40,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102082199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:40,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650136425] [2021-07-10 11:51:40,205 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:40,286 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:51:40,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:40,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 81 conjunts are in the unsatisfiable core [2021-07-10 11:51:40,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:43,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:51:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:43,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2021-07-10 11:51:43,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:43,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:43,762 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:43,762 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:9 [2021-07-10 11:51:43,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:51:43,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:43,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:43,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:43,943 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:51:43,955 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 11:51:43,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650136425] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:43,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:43,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47] total 80 [2021-07-10 11:51:43,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474345092] [2021-07-10 11:51:43,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-07-10 11:51:43,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:43,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-07-10 11:51:43,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=6280, Unknown=0, NotChecked=0, Total=6480 [2021-07-10 11:51:43,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:43,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:43,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 3.037037037037037) internal successors, (246), 80 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:51:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:51:43,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:51:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:51:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:51:49,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-10 11:51:49,209 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:49,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:49,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1610656214, now seen corresponding path program 17 times [2021-07-10 11:51:49,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:49,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891687432] [2021-07-10 11:51:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:51:50,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:50,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891687432] [2021-07-10 11:51:50,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891687432] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:50,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80891280] [2021-07-10 11:51:50,925 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:51,044 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-07-10 11:51:51,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:51,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-10 11:51:51,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:51:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:55,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 40 [2021-07-10 11:51:55,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:55,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:55,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:55,074 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:105, output treesize:9 [2021-07-10 11:51:55,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 11:51:55,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:55,263 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:55,264 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:55,264 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 11:51:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:51:55,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80891280] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:55,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:55,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 51] total 87 [2021-07-10 11:51:55,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810831378] [2021-07-10 11:51:55,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-10 11:51:55,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:55,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-10 11:51:55,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=7438, Unknown=0, NotChecked=0, Total=7656 [2021-07-10 11:51:55,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:55,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:55,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.9886363636363638) internal successors, (263), 87 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:51:55,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:55,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:55,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:51:55,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:51:55,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:51:55,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:55,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:51:55,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:52:00,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:52:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 11:52:00,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:52:00,965 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:52:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:52:00,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2054374407, now seen corresponding path program 18 times [2021-07-10 11:52:00,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:52:00,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126551713] [2021-07-10 11:52:00,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:52:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:52:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 652 proven. 144 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-07-10 11:52:01,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:52:01,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126551713] [2021-07-10 11:52:01,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126551713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:52:01,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624419915] [2021-07-10 11:52:01,367 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:52:01,533 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-07-10 11:52:01,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:52:01,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 11:52:01,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:52:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:01,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2021-07-10 11:52:01,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:01,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:52:01,893 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:52:01,893 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:5 [2021-07-10 11:52:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 652 proven. 144 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-07-10 11:52:02,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624419915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:52:02,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:52:02,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 37 [2021-07-10 11:52:02,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943325644] [2021-07-10 11:52:02,063 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 11:52:02,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:52:02,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 11:52:02,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=956, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 11:52:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:52:02,064 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:52:02,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.763157894736842) internal successors, (143), 37 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:52:02,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:52:02,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:52:02,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:52:02,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:52:02,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 11:52:02,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:52:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:52:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:52:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:52:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:52:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 11:52:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:52:02,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-07-10 11:52:02,395 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:52:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:52:02,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1675480343, now seen corresponding path program 19 times [2021-07-10 11:52:02,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:52:02,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693835582] [2021-07-10 11:52:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:52:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:52:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 1259 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 11:52:04,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:52:04,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693835582] [2021-07-10 11:52:04,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693835582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:52:04,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609882259] [2021-07-10 11:52:04,268 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:52:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:52:04,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 105 conjunts are in the unsatisfiable core [2021-07-10 11:52:04,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:52:08,377 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-10 11:52:08,657 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-07-10 11:52:08,954 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-10 11:52:09,372 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-07-10 11:52:09,646 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-10 11:52:09,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:09,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 11:52:09,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:09,676 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 11:52:09,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 11:52:09,677 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:09,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:52:09,778 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 11:52:09,778 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:339, output treesize:291 [2021-07-10 11:52:10,796 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-07-10 11:52:11,138 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-07-10 11:52:11,435 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_25, v_prenex_23, v_prenex_28], 3=[q3], 120=[q1], 153=[v_prenex_27]} [2021-07-10 11:52:11,445 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:52:11,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-07-10 11:52:11,447 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:11,752 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-07-10 11:52:11,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:52:11,762 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:52:11,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-07-10 11:52:11,763 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:12,027 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-10 11:52:12,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:52:12,036 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 11:52:12,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-07-10 11:52:12,037 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:12,293 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-07-10 11:52:12,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:52:12,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-10 11:52:12,313 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:12,324 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 11:52:12,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-07-10 11:52:12,326 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:12,571 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-10 11:52:12,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:52:12,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,736 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-07-10 11:52:12,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 57 [2021-07-10 11:52:12,742 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:12,752 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-10 11:52:12,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 106 treesize of output 46 [2021-07-10 11:52:12,758 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:12,982 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-07-10 11:52:12,982 INFO L628 ElimStorePlain]: treesize reduction 135, result has 69.1 percent of original size [2021-07-10 11:52:12,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:52:13,166 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-07-10 11:52:13,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 57 [2021-07-10 11:52:13,178 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:13,189 INFO L354 Elim1Store]: treesize reduction 1632, result has 0.1 percent of original size [2021-07-10 11:52:13,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 129 treesize of output 57 [2021-07-10 11:52:13,195 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:13,232 INFO L628 ElimStorePlain]: treesize reduction 12, result has 79.3 percent of original size [2021-07-10 11:52:13,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 11:52:13,233 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 12 variables, input treesize:789, output treesize:42 [2021-07-10 11:52:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 959 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-07-10 11:52:13,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609882259] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:52:13,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:52:13,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 44] total 100 [2021-07-10 11:52:13,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010928941] [2021-07-10 11:52:13,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-07-10 11:52:13,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:52:13,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-07-10 11:52:13,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=9621, Unknown=0, NotChecked=0, Total=10100 [2021-07-10 11:52:13,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:52:13,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:52:13,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 3.227722772277228) internal successors, (326), 100 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:52:13,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 11:52:13,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:52:13,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:52:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:52:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:52:15,910 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:52:15,910 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:52:15,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:52:15,911 INFO L82 PathProgramCache]: Analyzing trace with hash -825647315, now seen corresponding path program 20 times [2021-07-10 11:52:15,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:52:15,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684214442] [2021-07-10 11:52:15,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:52:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:52:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 92 proven. 935 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-07-10 11:52:16,773 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:52:16,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684214442] [2021-07-10 11:52:16,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684214442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:52:16,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065847531] [2021-07-10 11:52:16,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:52:16,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:52:16,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:52:16,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 97 conjunts are in the unsatisfiable core [2021-07-10 11:52:16,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:52:19,976 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-07-10 11:52:19,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 95 treesize of output 43 [2021-07-10 11:52:19,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:19,983 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:52:19,984 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:52:19,984 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:100, output treesize:9 [2021-07-10 11:52:20,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-10 11:52:20,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:52:20,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:52:20,893 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:52:20,893 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-10 11:52:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 0 proven. 1331 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-10 11:52:21,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065847531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:52:21,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:52:21,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 55] total 88 [2021-07-10 11:52:21,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384636496] [2021-07-10 11:52:21,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-10 11:52:21,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:52:21,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-10 11:52:21,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=7380, Unknown=0, NotChecked=0, Total=7832 [2021-07-10 11:52:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:52:21,044 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:52:21,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 3.606741573033708) internal successors, (321), 88 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:52:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:52:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:52:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:52:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:52:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:52:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:52:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:52:28,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-10 11:52:29,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:52:29,027 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:52:29,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:52:29,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2083988496, now seen corresponding path program 21 times [2021-07-10 11:52:29,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:52:29,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915959364] [2021-07-10 11:52:29,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:52:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown