/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.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-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 16:23:12,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 16:23:12,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 16:23:12,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 16:23:12,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 16:23:12,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 16:23:12,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 16:23:12,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 16:23:12,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 16:23:12,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 16:23:12,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 16:23:12,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 16:23:12,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 16:23:12,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 16:23:12,580 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 16:23:12,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 16:23:12,580 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 16:23:12,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 16:23:12,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 16:23:12,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 16:23:12,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 16:23:12,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 16:23:12,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:23:12,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 16:23:12,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 16:23:12,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 16:23:12,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 16:23:12,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 16:23:12,825 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 16:23:12,826 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 16:23:12,827 INFO L432 ainManager$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 [2021-06-07 16:23:12,827 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-06-07 16:23:12,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 16:23:12,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 16:23:12,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 16:23:12,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 16:23:12,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 16:23:12,867 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 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,872 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 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 16:23:12,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 16:23:12,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 16:23:12,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 16:23:12,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/1) ... [2021-06-07 16:23:12,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 16:23:12,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 16:23:12,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 16:23:12,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 16:23:12,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:23:12,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 16:23:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 16:23:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 16:23:12,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 16:23:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 16:23:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 16:23:12,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 16:23:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 16:23:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 16:23:12,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 16:23:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 16:23:12,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 16:23:12,944 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 16:23:13,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 16:23:13,180 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 16:23:13,181 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:23:13 BoogieIcfgContainer [2021-06-07 16:23:13,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 16:23:13,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 16:23:13,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 16:23:13,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 16:23:13,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:23:12" (1/2) ... [2021-06-07 16:23:13,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61eee23e and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 04:23:13, skipping insertion in model container [2021-06-07 16:23:13,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:23:13" (2/2) ... [2021-06-07 16:23:13,185 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-06-07 16:23:13,188 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 16:23:13,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 16:23:13,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 16:23:13,189 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 16:23:13,232 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 16:23:13,245 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 [2021-06-07 16:23:13,272 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 16:23:13,273 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 16:23:13,273 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 16:23:13,273 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 16:23:13,273 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 16:23:13,273 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 16:23:13,273 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 16:23:13,273 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 16:23:13,406 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:13,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:13,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1757827199, now seen corresponding path program 1 times [2021-06-07 16:23:13,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:13,415 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21774009] [2021-06-07 16:23:13,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:13,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 16:23:13,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:13,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21774009] [2021-06-07 16:23:13,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21774009] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:23:13,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:23:13,546 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 16:23:13,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808878784] [2021-06-07 16:23:13,549 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 16:23:13,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:13,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 16:23:13,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 16:23:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:13,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:13,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:13,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:13,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:13,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 16:23:13,611 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:13,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:13,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1947681642, now seen corresponding path program 2 times [2021-06-07 16:23:13,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:13,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095960738] [2021-06-07 16:23:13,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-07 16:23:13,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:13,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095960738] [2021-06-07 16:23:13,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095960738] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:23:13,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:23:13,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 16:23:13,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882278337] [2021-06-07 16:23:13,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 16:23:13,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:13,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 16:23:13,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 16:23:13,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:13,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:13,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:13,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:13,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:13,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:13,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:13,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 16:23:13,660 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:13,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:13,661 INFO L82 PathProgramCache]: Analyzing trace with hash -664961908, now seen corresponding path program 3 times [2021-06-07 16:23:13,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:13,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900369492] [2021-06-07 16:23:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:23:13,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:13,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900369492] [2021-06-07 16:23:13,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900369492] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:13,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8508378] [2021-06-07 16:23:13,766 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:13,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 16:23:13,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:13,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 16:23:13,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:14,070 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 [2021-06-07 16:23:14,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:14,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:14,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 16:23:14,081 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-06-07 16:23:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:23:14,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8508378] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:14,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:14,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2021-06-07 16:23:14,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889453414] [2021-06-07 16:23:14,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 16:23:14,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:14,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 16:23:14,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-07 16:23:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:14,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:14,163 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:14,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:14,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:14,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:14,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:14,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:14,641 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:14,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:14,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1927422255, now seen corresponding path program 4 times [2021-06-07 16:23:14,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:14,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529424908] [2021-06-07 16:23:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-06-07 16:23:14,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:14,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529424908] [2021-06-07 16:23:14,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529424908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:14,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920866469] [2021-06-07 16:23:14,794 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:14,838 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 16:23:14,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:14,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 16:23:14,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:15,045 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 [2021-06-07 16:23:15,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:15,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:15,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 16:23:15,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-06-07 16:23:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-07 16:23:15,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920866469] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:15,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:15,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-06-07 16:23:15,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868380871] [2021-06-07 16:23:15,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 16:23:15,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:15,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 16:23:15,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-07 16:23:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:15,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:15,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:15,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:15,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:15,581 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:15,581 INFO L82 PathProgramCache]: Analyzing trace with hash 803292727, now seen corresponding path program 5 times [2021-06-07 16:23:15,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:15,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777733194] [2021-06-07 16:23:15,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-07 16:23:15,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:15,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777733194] [2021-06-07 16:23:15,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777733194] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:15,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636314253] [2021-06-07 16:23:15,853 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:15,894 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-07 16:23:15,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:15,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-07 16:23:15,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:16,001 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:23:16,002 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 [2021-06-07 16:23:16,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:16,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:16,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:16,006 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:9 [2021-06-07 16:23:16,070 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 [2021-06-07 16:23:16,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:16,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:16,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:16,073 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:23:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-06-07 16:23:16,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636314253] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:16,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:16,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 24 [2021-06-07 16:23:16,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65521402] [2021-06-07 16:23:16,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 16:23:16,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:16,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 16:23:16,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2021-06-07 16:23:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:16,117 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:16,117 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.8) internal successors, (95), 24 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:16,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:16,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:16,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:16,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:16,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 16:23:16,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:16,987 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:16,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:16,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1903349348, now seen corresponding path program 6 times [2021-06-07 16:23:16,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:16,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580991355] [2021-06-07 16:23:16,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 84 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-07 16:23:17,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:17,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580991355] [2021-06-07 16:23:17,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580991355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:17,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772512064] [2021-06-07 16:23:17,387 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:17,434 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-07 16:23:17,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:17,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 16:23:17,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:17,622 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-07 16:23:17,622 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 [2021-06-07 16:23:17,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:17,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:17,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:17,627 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:9 [2021-06-07 16:23:17,827 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 [2021-06-07 16:23:17,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:17,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:17,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:17,831 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:23:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-07 16:23:17,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772512064] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:17,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:17,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18] total 32 [2021-06-07 16:23:17,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476875032] [2021-06-07 16:23:17,879 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-07 16:23:17,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:17,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-07 16:23:17,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=943, Unknown=0, NotChecked=0, Total=1056 [2021-06-07 16:23:17,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:17,880 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:17,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.3333333333333335) internal successors, (110), 32 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:17,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:17,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:17,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:17,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:17,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 16:23:17,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:19,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:19,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:19,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:19,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:19,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:19,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:19,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-07 16:23:19,497 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:19,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:19,497 INFO L82 PathProgramCache]: Analyzing trace with hash 942481625, now seen corresponding path program 7 times [2021-06-07 16:23:19,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:19,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492841261] [2021-06-07 16:23:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 43 proven. 115 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 16:23:19,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:19,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492841261] [2021-06-07 16:23:19,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492841261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:19,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636849602] [2021-06-07 16:23:19,675 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:19,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 16:23:19,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:23:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:20,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-06-07 16:23:20,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:20,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:20,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:20,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:3 [2021-06-07 16:23:20,189 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 43 proven. 115 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 16:23:20,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636849602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:20,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:20,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2021-06-07 16:23:20,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668364947] [2021-06-07 16:23:20,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-07 16:23:20,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:20,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-07 16:23:20,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2021-06-07 16:23:20,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:20,190 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:20,190 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.5) internal successors, (108), 23 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) [2021-06-07 16:23:20,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:20,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:20,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:20,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:20,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:20,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:20,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:20,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:20,948 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:20,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:20,949 INFO L82 PathProgramCache]: Analyzing trace with hash -636323253, now seen corresponding path program 8 times [2021-06-07 16:23:20,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:20,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143998071] [2021-06-07 16:23:20,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 152 proven. 25 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-06-07 16:23:21,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:21,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143998071] [2021-06-07 16:23:21,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143998071] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:21,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229155218] [2021-06-07 16:23:21,053 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:21,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:23:21,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:21,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 16:23:21,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:21,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:21,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-06-07 16:23:21,180 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:21,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:21,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:21,182 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:5 [2021-06-07 16:23:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 152 proven. 25 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-06-07 16:23:21,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229155218] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:21,242 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:21,242 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 14 [2021-06-07 16:23:21,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465074605] [2021-06-07 16:23:21,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 16:23:21,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:21,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 16:23:21,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2021-06-07 16:23:21,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:21,243 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:21,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:21,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:21,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:21,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:21,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:21,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:21,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:21,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:21,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:21,509 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:21,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:21,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2100306409, now seen corresponding path program 9 times [2021-06-07 16:23:21,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:21,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568893220] [2021-06-07 16:23:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 126 proven. 93 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-06-07 16:23:21,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:21,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568893220] [2021-06-07 16:23:21,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568893220] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:21,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513847717] [2021-06-07 16:23:21,787 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:21,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-06-07 16:23:21,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:21,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-07 16:23:21,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:22,026 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-06-07 16:23:22,026 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 29 treesize of output 13 [2021-06-07 16:23:22,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:22,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:22,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:22,031 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:9 [2021-06-07 16:23:22,130 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 [2021-06-07 16:23:22,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:22,132 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:22,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:22,133 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:23:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 195 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-07 16:23:22,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513847717] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:22,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:22,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 34 [2021-06-07 16:23:22,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842681202] [2021-06-07 16:23:22,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-07 16:23:22,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:22,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-07 16:23:22,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=978, Unknown=0, NotChecked=0, Total=1190 [2021-06-07 16:23:22,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:22,173 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:22,173 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 4.0285714285714285) internal successors, (141), 34 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:22,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:22,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:23,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-07 16:23:23,133 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:23,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:23,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1137985057, now seen corresponding path program 10 times [2021-06-07 16:23:23,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:23,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828943169] [2021-06-07 16:23:23,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 51 proven. 191 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-07 16:23:23,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:23,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828943169] [2021-06-07 16:23:23,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828943169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:23,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449222499] [2021-06-07 16:23:23,378 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:23,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 16:23:23,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:23,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-07 16:23:23,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 51 proven. 193 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-06-07 16:23:24,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449222499] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:24,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:24,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2021-06-07 16:23:24,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392035144] [2021-06-07 16:23:24,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-07 16:23:24,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:24,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-07 16:23:24,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1256, Unknown=0, NotChecked=0, Total=1406 [2021-06-07 16:23:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:24,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:24,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.736842105263158) internal successors, (142), 37 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:24,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:25,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:25,424 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:25,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:25,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1148623393, now seen corresponding path program 11 times [2021-06-07 16:23:25,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:25,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134447955] [2021-06-07 16:23:25,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-06-07 16:23:25,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:25,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134447955] [2021-06-07 16:23:25,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134447955] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:25,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544548630] [2021-06-07 16:23:25,786 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 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 [2021-06-07 16:23:25,849 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-06-07 16:23:25,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:25,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-07 16:23:25,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:23:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:26,461 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 [2021-06-07 16:23:26,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:26,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:26,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:26,470 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:14 [2021-06-07 16:23:26,705 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 [2021-06-07 16:23:26,706 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:26,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:26,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:26,708 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:23:26,715 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 27 proven. 338 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-07 16:23:26,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544548630] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:26,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:26,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 27] total 40 [2021-06-07 16:23:26,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855130877] [2021-06-07 16:23:26,716 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-07 16:23:26,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:26,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-07 16:23:26,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1530, Unknown=0, NotChecked=0, Total=1640 [2021-06-07 16:23:26,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:26,717 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:26,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 3.317073170731707) internal successors, (136), 40 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:26,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:26,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:26,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:26,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:26,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:26,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:26,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:26,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:26,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:26,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:26,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:27,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:27,833 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:27,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:27,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1391413213, now seen corresponding path program 12 times [2021-06-07 16:23:27,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:27,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399803105] [2021-06-07 16:23:27,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 63 proven. 308 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-06-07 16:23:28,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:28,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399803105] [2021-06-07 16:23:28,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399803105] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:28,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99823936] [2021-06-07 16:23:28,178 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 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 [2021-06-07 16:23:28,250 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-06-07 16:23:28,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:28,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-07 16:23:28,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:28,729 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-07 16:23:28,729 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 52 treesize of output 28 [2021-06-07 16:23:28,731 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:28,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:28,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:28,736 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:16 [2021-06-07 16:23:28,949 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 5 [2021-06-07 16:23:28,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:28,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:28,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:28,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2021-06-07 16:23:29,103 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:23:29,104 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 [2021-06-07 16:23:29,105 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:29,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:29,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:29,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:3 [2021-06-07 16:23:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-06-07 16:23:29,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99823936] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:29,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:29,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 27] total 48 [2021-06-07 16:23:29,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887137034] [2021-06-07 16:23:29,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-07 16:23:29,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:29,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-07 16:23:29,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2197, Unknown=0, NotChecked=0, Total=2352 [2021-06-07 16:23:29,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:29,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:29,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 3.7142857142857144) internal successors, (182), 48 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:31,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-07 16:23:31,473 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:31,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:31,474 INFO L82 PathProgramCache]: Analyzing trace with hash 782004451, now seen corresponding path program 13 times [2021-06-07 16:23:31,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:31,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554358942] [2021-06-07 16:23:31,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 358 proven. 81 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-06-07 16:23:31,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:31,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554358942] [2021-06-07 16:23:31,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554358942] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:31,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924360787] [2021-06-07 16:23:31,667 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 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 [2021-06-07 16:23:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:31,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-07 16:23:31,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:32,120 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-06-07 16:23:32,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 46 treesize of output 22 [2021-06-07 16:23:32,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:32,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:32,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:32,126 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:51, output treesize:9 [2021-06-07 16:23:32,355 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 [2021-06-07 16:23:32,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:32,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:32,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:32,358 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:23:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-06-07 16:23:32,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924360787] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:32,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:32,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 27] total 46 [2021-06-07 16:23:32,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670830013] [2021-06-07 16:23:32,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-07 16:23:32,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:32,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-07 16:23:32,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1853, Unknown=0, NotChecked=0, Total=2162 [2021-06-07 16:23:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:32,410 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:32,410 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 4.085106382978723) internal successors, (192), 46 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:32,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:33,765 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-07 16:23:33,766 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:33,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:33,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1322926113, now seen corresponding path program 14 times [2021-06-07 16:23:33,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:33,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739907052] [2021-06-07 16:23:33,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 311 proven. 194 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-06-07 16:23:34,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:34,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739907052] [2021-06-07 16:23:34,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739907052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:34,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825725659] [2021-06-07 16:23:34,175 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 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 [2021-06-07 16:23:34,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:23:34,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:34,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-07 16:23:34,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:34,868 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-06-07 16:23:34,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 57 treesize of output 25 [2021-06-07 16:23:34,871 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:34,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:34,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:34,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:9 [2021-06-07 16:23:35,114 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 [2021-06-07 16:23:35,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:35,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:35,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:35,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:23:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-07 16:23:35,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825725659] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:35,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:35,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31] total 58 [2021-06-07 16:23:35,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947166174] [2021-06-07 16:23:35,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-07 16:23:35,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:35,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-07 16:23:35,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=2954, Unknown=0, NotChecked=0, Total=3422 [2021-06-07 16:23:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:35,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:35,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 3.6779661016949152) internal successors, (217), 58 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:35,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:35,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:35,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:35,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:35,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:37,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:37,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-07 16:23:37,410 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:37,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:37,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1913336487, now seen corresponding path program 15 times [2021-06-07 16:23:37,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:37,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368236261] [2021-06-07 16:23:37,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 83 proven. 453 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-06-07 16:23:37,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:37,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368236261] [2021-06-07 16:23:37,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368236261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:37,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878229908] [2021-06-07 16:23:37,817 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 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 [2021-06-07 16:23:37,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-06-07 16:23:37,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:37,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 57 conjunts are in the unsatisfiable core [2021-06-07 16:23:37,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:39,455 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-07 16:23:39,718 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2021-06-07 16:23:39,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:39,884 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 43 treesize of output 31 [2021-06-07 16:23:39,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:39,896 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:23:39,896 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 43 treesize of output 31 [2021-06-07 16:23:39,897 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:39,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:39,963 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 16:23:39,964 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:289, output treesize:249 [2021-06-07 16:23:40,650 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-06-07 16:23:40,877 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-07 16:23:41,209 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2021-06-07 16:23:41,582 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_2, v_prenex_6], 3=[q3], 78=[q1], 91=[v_prenex_1, v_prenex_5]} [2021-06-07 16:23:41,591 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:23:41,591 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 [2021-06-07 16:23:41,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:41,788 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-06-07 16:23:41,789 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:41,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:41,800 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 36 treesize of output 24 [2021-06-07 16:23:41,801 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:41,809 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:23:41,809 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 [2021-06-07 16:23:41,810 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:41,986 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-06-07 16:23:41,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:41,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:41,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:41,996 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 [2021-06-07 16:23:41,997 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:42,010 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-07 16:23:42,010 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 [2021-06-07 16:23:42,011 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:42,171 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-06-07 16:23:42,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:42,278 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-06-07 16:23:42,279 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 104 treesize of output 46 [2021-06-07 16:23:42,283 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:42,292 INFO L354 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2021-06-07 16:23:42,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 85 treesize of output 37 [2021-06-07 16:23:42,296 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:42,439 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2021-06-07 16:23:42,440 INFO L628 ElimStorePlain]: treesize reduction 114, result has 69.2 percent of original size [2021-06-07 16:23:42,448 INFO L354 Elim1Store]: treesize reduction 1092, result has 0.1 percent of original size [2021-06-07 16:23:42,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 108 treesize of output 48 [2021-06-07 16:23:42,452 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:42,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:42,498 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-06-07 16:23:42,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 106 treesize of output 48 [2021-06-07 16:23:42,502 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:42,529 INFO L628 ElimStorePlain]: treesize reduction 12, result has 77.8 percent of original size [2021-06-07 16:23:42,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-07 16:23:42,530 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 12 variables, input treesize:680, output treesize:38 [2021-06-07 16:23:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-06-07 16:23:42,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878229908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:42,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:42,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 31] total 56 [2021-06-07 16:23:42,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983331552] [2021-06-07 16:23:42,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-06-07 16:23:42,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:42,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-06-07 16:23:42,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=2929, Unknown=0, NotChecked=0, Total=3192 [2021-06-07 16:23:42,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:42,684 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:42,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.2982456140350878) internal successors, (188), 56 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:42,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:44,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:44,825 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:44,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:44,825 INFO L82 PathProgramCache]: Analyzing trace with hash 948926475, now seen corresponding path program 16 times [2021-06-07 16:23:44,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:44,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776629623] [2021-06-07 16:23:44,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 91 proven. 626 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-06-07 16:23:45,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:45,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776629623] [2021-06-07 16:23:45,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776629623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:45,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884324426] [2021-06-07 16:23:45,300 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 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 [2021-06-07 16:23:45,361 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 16:23:45,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:45,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-07 16:23:45,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:46,485 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-06-07 16:23:46,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 64 treesize of output 28 [2021-06-07 16:23:46,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:46,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:46,491 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:46,491 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:9 [2021-06-07 16:23:46,873 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 [2021-06-07 16:23:46,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:46,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:46,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:46,875 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:23:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-06-07 16:23:46,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884324426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:46,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:46,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 35] total 64 [2021-06-07 16:23:46,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372486817] [2021-06-07 16:23:46,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-07 16:23:46,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:46,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-07 16:23:46,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=3918, Unknown=0, NotChecked=0, Total=4160 [2021-06-07 16:23:46,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:46,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:46,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 3.7384615384615385) internal successors, (243), 64 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:46,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:46,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:46,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:50,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:50,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:50,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:23:50,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-07 16:23:50,637 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:50,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:50,637 INFO L82 PathProgramCache]: Analyzing trace with hash -791543621, now seen corresponding path program 17 times [2021-06-07 16:23:50,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:50,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626278000] [2021-06-07 16:23:50,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 644 proven. 169 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2021-06-07 16:23:50,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:50,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626278000] [2021-06-07 16:23:50,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626278000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:50,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697176694] [2021-06-07 16:23:50,933 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 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 [2021-06-07 16:23:51,051 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-06-07 16:23:51,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:51,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-07 16:23:51,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:51,915 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-06-07 16:23:51,916 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 67 treesize of output 31 [2021-06-07 16:23:51,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:51,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:51,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:51,922 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:9 [2021-06-07 16:23:52,308 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 [2021-06-07 16:23:52,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:52,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:52,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:52,310 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:23:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 0 proven. 935 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-06-07 16:23:52,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697176694] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:52,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:52,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 39] total 66 [2021-06-07 16:23:52,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626502480] [2021-06-07 16:23:52,381 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-06-07 16:23:52,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:52,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-06-07 16:23:52,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=574, Invalid=3848, Unknown=0, NotChecked=0, Total=4422 [2021-06-07 16:23:52,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:52,383 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:52,383 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 3.8208955223880596) internal successors, (256), 66 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:23:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:23:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:23:55,110 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:23:55,111 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:23:55,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:23:55,111 INFO L82 PathProgramCache]: Analyzing trace with hash 133339469, now seen corresponding path program 18 times [2021-06-07 16:23:55,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:23:55,111 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247980004] [2021-06-07 16:23:55,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:23:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:23:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 0 proven. 1047 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-06-07 16:23:56,129 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:23:56,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247980004] [2021-06-07 16:23:56,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247980004] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:56,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643903611] [2021-06-07 16:23:56,129 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 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 [2021-06-07 16:23:56,254 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2021-06-07 16:23:56,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:23:56,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-07 16:23:56,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:23:58,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:23:58,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:23:58,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:23:58,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 43 [2021-06-07 16:23:58,752 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:58,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:58,758 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:58,758 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:16 [2021-06-07 16:23:59,678 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:23:59,678 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 [2021-06-07 16:23:59,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:23:59,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:23:59,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:23:59,681 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:3 [2021-06-07 16:23:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 0 proven. 1051 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-06-07 16:23:59,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643903611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:23:59,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:23:59,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 46] total 88 [2021-06-07 16:23:59,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997834005] [2021-06-07 16:23:59,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-06-07 16:23:59,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:23:59,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-06-07 16:23:59,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=7584, Unknown=0, NotChecked=0, Total=7832 [2021-06-07 16:23:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:23:59,756 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:23:59,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 3.359550561797753) internal successors, (299), 88 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:23:59,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:03,490 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:24:03,491 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:24:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:24:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1115559513, now seen corresponding path program 19 times [2021-06-07 16:24:03,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:24:03,491 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595746740] [2021-06-07 16:24:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:24:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:24:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 0 proven. 1121 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-06-07 16:24:04,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:24:04,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595746740] [2021-06-07 16:24:04,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595746740] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:04,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547852786] [2021-06-07 16:24:04,692 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 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 [2021-06-07 16:24:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:24:04,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-07 16:24:04,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:24:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:24:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:07,741 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 [2021-06-07 16:24:07,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:07,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:07,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:07,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:9 [2021-06-07 16:24:07,904 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 [2021-06-07 16:24:07,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:07,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:07,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:07,907 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:24:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 0 proven. 1115 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-07 16:24:07,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547852786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:07,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:24:07,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47] total 80 [2021-06-07 16:24:07,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677078443] [2021-06-07 16:24:07,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-06-07 16:24:07,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:24:07,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-06-07 16:24:07,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=6280, Unknown=0, NotChecked=0, Total=6480 [2021-06-07 16:24:07,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:07,916 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:24:07,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 3.0) internal successors, (243), 80 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:07,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:12,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-07 16:24:12,335 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:24:12,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:24:12,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1225973965, now seen corresponding path program 20 times [2021-06-07 16:24:12,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:24:12,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434654595] [2021-06-07 16:24:12,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:24:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:24:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 0 proven. 1193 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-07 16:24:13,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:24:13,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434654595] [2021-06-07 16:24:13,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434654595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:13,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920180497] [2021-06-07 16:24:13,730 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 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 [2021-06-07 16:24:13,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:24:13,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:24:13,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-07 16:24:13,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:24:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:24:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:17,321 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 92 treesize of output 40 [2021-06-07 16:24:17,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:17,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:17,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:17,332 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:103, output treesize:9 [2021-06-07 16:24:17,488 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 [2021-06-07 16:24:17,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:17,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:17,490 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:17,490 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-06-07 16:24:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 0 proven. 1189 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-07 16:24:17,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920180497] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:17,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:24:17,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 51] total 87 [2021-06-07 16:24:17,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652583446] [2021-06-07 16:24:17,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-06-07 16:24:17,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:24:17,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-06-07 16:24:17,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=7438, Unknown=0, NotChecked=0, Total=7656 [2021-06-07 16:24:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:17,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:24:17,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.977272727272727) internal successors, (262), 87 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:17,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:22,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:22,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:24:22,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:24:22,554 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:24:22,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:24:22,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1210155303, now seen corresponding path program 21 times [2021-06-07 16:24:22,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:24:22,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420705166] [2021-06-07 16:24:22,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:24:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:24:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 1263 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 16:24:24,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:24:24,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420705166] [2021-06-07 16:24:24,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420705166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:24,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148229530] [2021-06-07 16:24:24,090 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 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 [2021-06-07 16:24:24,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-06-07 16:24:24,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:24:24,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-07 16:24:24,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:24:26,913 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2021-06-07 16:24:27,957 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-06-07 16:24:28,278 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-07 16:24:28,624 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-07 16:24:28,741 INFO L446 ElimStorePlain]: Different costs {1=[q3, v_prenex_21, v_prenex_12, v_prenex_17, v_prenex_15], 3=[v_prenex_9], 120=[v_prenex_11], 136=[q1], 153=[v_prenex_20]} [2021-06-07 16:24:28,753 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:24:28,753 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 [2021-06-07 16:24:28,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:29,077 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-06-07 16:24:29,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:29,088 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-07 16:24:29,088 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 [2021-06-07 16:24:29,089 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:29,431 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-07 16:24:29,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:29,442 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:24:29,442 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 [2021-06-07 16:24:29,443 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:29,750 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2021-06-07 16:24:29,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:29,761 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:24:29,761 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 25 treesize of output 19 [2021-06-07 16:24:29,762 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:30,065 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-06-07 16:24:30,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:30,076 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 16:24:30,076 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 [2021-06-07 16:24:30,077 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:30,361 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-06-07 16:24:30,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:30,373 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-07 16:24:30,374 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 43 treesize of output 25 [2021-06-07 16:24:30,374 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:30,647 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-06-07 16:24:30,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:30,763 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-06-07 16:24:30,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 64 [2021-06-07 16:24:30,767 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:30,781 INFO L354 Elim1Store]: treesize reduction 1440, result has 0.1 percent of original size [2021-06-07 16:24:30,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 139 treesize of output 67 [2021-06-07 16:24:30,785 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:30,996 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-07 16:24:30,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:31,009 INFO L354 Elim1Store]: treesize reduction 1632, result has 0.1 percent of original size [2021-06-07 16:24:31,009 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 146 treesize of output 70 [2021-06-07 16:24:31,014 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:31,171 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-07 16:24:31,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,341 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-06-07 16:24:31,344 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 137 treesize of output 67 [2021-06-07 16:24:31,348 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:31,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:31,548 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-06-07 16:24:31,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 73 [2021-06-07 16:24:31,554 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:31,574 INFO L354 Elim1Store]: treesize reduction 1600, result has 0.1 percent of original size [2021-06-07 16:24:31,574 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 144 treesize of output 70 [2021-06-07 16:24:31,579 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:31,640 INFO L628 ElimStorePlain]: treesize reduction 67, result has 64.0 percent of original size [2021-06-07 16:24:31,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 9 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-07 16:24:31,641 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 18 variables, input treesize:1095, output treesize:118 [2021-06-07 16:24:31,894 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-07 16:24:31,894 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 15 treesize of output 7 [2021-06-07 16:24:31,895 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:31,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:31,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:31,896 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:3 [2021-06-07 16:24:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 685 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2021-06-07 16:24:32,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148229530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:32,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:24:32,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 32] total 88 [2021-06-07 16:24:32,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726491684] [2021-06-07 16:24:32,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-06-07 16:24:32,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:24:32,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-06-07 16:24:32,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=7594, Unknown=0, NotChecked=0, Total=7832 [2021-06-07 16:24:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:32,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:24:32,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 3.1235955056179776) internal successors, (278), 88 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:24:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:24:32,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:24:37,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-06-07 16:24:37,445 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:24:37,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:24:37,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1543219217, now seen corresponding path program 22 times [2021-06-07 16:24:37,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:24:37,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157133176] [2021-06-07 16:24:37,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:24:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:24:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 127 proven. 861 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-06-07 16:24:38,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:24:38,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157133176] [2021-06-07 16:24:38,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157133176] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:38,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138289333] [2021-06-07 16:24:38,095 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:24:38,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 16:24:38,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:24:38,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 104 conjunts are in the unsatisfiable core [2021-06-07 16:24:38,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:24:41,209 INFO L354 Elim1Store]: treesize reduction 1092, result has 0.1 percent of original size [2021-06-07 16:24:41,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 106 treesize of output 46 [2021-06-07 16:24:41,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:41,216 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:41,217 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:41,217 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:111, output treesize:9 [2021-06-07 16:24:42,081 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 [2021-06-07 16:24:42,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:42,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:42,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:42,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:24:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 1403 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 16:24:42,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138289333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:42,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:24:42,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 59] total 92 [2021-06-07 16:24:42,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593875591] [2021-06-07 16:24:42,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-06-07 16:24:42,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:24:42,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-06-07 16:24:42,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=501, Invalid=8055, Unknown=0, NotChecked=0, Total=8556 [2021-06-07 16:24:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:42,200 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:24:42,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 93 states, 93 states have (on average 3.5268817204301075) internal successors, (328), 92 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:42,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:42,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:42,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:42,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:24:42,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:24:42,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:24:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:24:49,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:24:49,385 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:24:49,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:24:49,385 INFO L82 PathProgramCache]: Analyzing trace with hash -567075851, now seen corresponding path program 23 times [2021-06-07 16:24:49,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:24:49,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512747343] [2021-06-07 16:24:49,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:24:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:24:51,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 16:24:51,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:24:51,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512747343] [2021-06-07 16:24:51,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512747343] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:51,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831595241] [2021-06-07 16:24:51,362 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:24:51,481 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2021-06-07 16:24:51,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:24:51,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 109 conjunts are in the unsatisfiable core [2021-06-07 16:24:51,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:24:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:24:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:24:57,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 49 [2021-06-07 16:24:57,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:57,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:57,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:57,239 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:9 [2021-06-07 16:24:57,426 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 [2021-06-07 16:24:57,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:24:57,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:24:57,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:24:57,428 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:24:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1631 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 16:24:57,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831595241] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:24:57,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:24:57,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 63] total 108 [2021-06-07 16:24:57,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409470] [2021-06-07 16:24:57,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 109 states [2021-06-07 16:24:57,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:24:57,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2021-06-07 16:24:57,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=11500, Unknown=0, NotChecked=0, Total=11772 [2021-06-07 16:24:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:24:57,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:24:57,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 109 states, 109 states have (on average 2.926605504587156) internal successors, (319), 108 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:24:57,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:57,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:24:57,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:24:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:25:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:25:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-07 16:25:04,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:25:04,801 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:25:04,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:25:04,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1223490737, now seen corresponding path program 24 times [2021-06-07 16:25:04,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:25:04,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729573876] [2021-06-07 16:25:04,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:25:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:25:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 442 proven. 1269 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-07 16:25:06,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:25:06,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729573876] [2021-06-07 16:25:06,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729573876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:25:06,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830207468] [2021-06-07 16:25:06,572 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:25:06,719 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-06-07 16:25:06,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:25:06,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-07 16:25:06,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:25:09,055 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-06-07 16:25:09,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:09,153 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 [2021-06-07 16:25:09,154 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:09,159 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-07 16:25:09,159 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 45 treesize of output 29 [2021-06-07 16:25:09,160 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:09,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:25:09,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 16:25:09,256 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:370, output treesize:322 [2021-06-07 16:25:09,719 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-07 16:25:10,428 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 127 [2021-06-07 16:25:10,740 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-07 16:25:11,276 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2021-06-07 16:25:11,591 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-07 16:25:11,722 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_28], 1=[v_prenex_32], 6=[q3], 153=[q1], 171=[v_prenex_31, v_prenex_27]} [2021-06-07 16:25:11,729 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 17 treesize of output 13 [2021-06-07 16:25:11,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:12,333 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2021-06-07 16:25:12,334 INFO L628 ElimStorePlain]: treesize reduction 14, result has 98.3 percent of original size [2021-06-07 16:25:12,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,341 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 25 treesize of output 15 [2021-06-07 16:25:12,342 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:12,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-07 16:25:12,348 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:12,610 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-06-07 16:25:12,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:25:12,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:25:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:25:12,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 24 [2021-06-07 16:25:12,619 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:12,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:25:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-06-07 16:25:12,628 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:12,888 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-06-07 16:25:12,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:25:12,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:12,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,050 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-06-07 16:25:13,051 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 120 treesize of output 52 [2021-06-07 16:25:13,056 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:13,087 INFO L354 Elim1Store]: treesize reduction 1802, result has 0.1 percent of original size [2021-06-07 16:25:13,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 141 treesize of output 63 [2021-06-07 16:25:13,091 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:13,240 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-07 16:25:13,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:25:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:13,433 INFO L244 Elim1Store]: Index analysis took 188 ms [2021-06-07 16:25:13,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 63 [2021-06-07 16:25:13,439 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:13,448 INFO L354 Elim1Store]: treesize reduction 1836, result has 0.1 percent of original size [2021-06-07 16:25:13,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 127 treesize of output 55 [2021-06-07 16:25:13,453 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:13,501 INFO L628 ElimStorePlain]: treesize reduction 149, result has 31.7 percent of original size [2021-06-07 16:25:13,501 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-06-07 16:25:13,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-07 16:25:13,503 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 13 variables, input treesize:850, output treesize:45 [2021-06-07 16:25:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2021-06-07 16:25:13,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830207468] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:25:13,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:25:13,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 34] total 102 [2021-06-07 16:25:13,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589001412] [2021-06-07 16:25:13,687 INFO L462 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-06-07 16:25:13,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:25:13,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-06-07 16:25:13,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1394, Invalid=9112, Unknown=0, NotChecked=0, Total=10506 [2021-06-07 16:25:13,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:25:13,688 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:25:13,688 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 103 states, 103 states have (on average 3.0097087378640777) internal successors, (310), 102 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:25:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-07 16:25:13,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:25:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:25:16,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:25:16,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-07 16:25:16,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 16:25:16,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-06-07 16:25:16,284 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:25:16,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:25:16,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1238814837, now seen corresponding path program 25 times [2021-06-07 16:25:16,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:25:16,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349637711] [2021-06-07 16:25:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:25:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:25:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1797 backedges. 143 proven. 1094 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-06-07 16:25:20,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:25:20,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349637711] [2021-06-07 16:25:20,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349637711] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:25:20,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579806653] [2021-06-07 16:25:20,292 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:25:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:25:20,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 116 conjunts are in the unsatisfiable core [2021-06-07 16:25:20,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:25:24,611 INFO L354 Elim1Store]: treesize reduction 1410, result has 0.1 percent of original size [2021-06-07 16:25:24,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 116 treesize of output 52 [2021-06-07 16:25:24,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:24,617 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:25:24,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:25:24,617 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:121, output treesize:9 [2021-06-07 16:25:25,745 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 [2021-06-07 16:25:25,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:25,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:25:25,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:25:25,747 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:25:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1797 backedges. 0 proven. 1791 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 16:25:25,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579806653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:25:25,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:25:25,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 67] total 104 [2021-06-07 16:25:25,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177615495] [2021-06-07 16:25:25,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-06-07 16:25:25,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:25:25,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-06-07 16:25:25,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=618, Invalid=10302, Unknown=0, NotChecked=0, Total=10920 [2021-06-07 16:25:25,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:25:25,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:25:25,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 3.4857142857142858) internal successors, (366), 104 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 16:25:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:25:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 16:25:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-07 16:25:35,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:25:35,172 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:25:35,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:25:35,172 INFO L82 PathProgramCache]: Analyzing trace with hash -102652143, now seen corresponding path program 26 times [2021-06-07 16:25:35,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:25:35,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211197902] [2021-06-07 16:25:35,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:25:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:25:37,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2055 backedges. 0 proven. 2051 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 16:25:37,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:25:37,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211197902] [2021-06-07 16:25:37,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211197902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:25:37,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111985326] [2021-06-07 16:25:37,720 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:25:37,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:25:37,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:25:37,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 127 conjunts are in the unsatisfiable core [2021-06-07 16:25:37,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:25:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:25:45,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:25:45,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 55 [2021-06-07 16:25:45,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:45,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:25:45,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:25:45,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:138, output treesize:9 [2021-06-07 16:25:45,771 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 [2021-06-07 16:25:45,772 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:25:45,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:25:45,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 16:25:45,773 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 16:25:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2055 backedges. 0 proven. 2049 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 16:25:45,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111985326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:25:45,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:25:45,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 71] total 122 [2021-06-07 16:25:45,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806296506] [2021-06-07 16:25:45,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 123 states [2021-06-07 16:25:45,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:25:45,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2021-06-07 16:25:45,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=14698, Unknown=0, NotChecked=0, Total=15006 [2021-06-07 16:25:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:25:45,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:25:45,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 123 states, 123 states have (on average 2.902439024390244) internal successors, (357), 122 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:25:45,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:45,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:45,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:25:45,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:25:45,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:25:45,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:25:45,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:25:45,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-07 16:25:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:25:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:25:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:25:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:25:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 16:25:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 16:25:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-07 16:25:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-07 16:25:54,398 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable94 [2021-06-07 16:25:54,398 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:25:54,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:25:54,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1419443435, now seen corresponding path program 27 times [2021-06-07 16:25:54,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:25:54,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824225678] [2021-06-07 16:25:54,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:25:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown