/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-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 17:06:11,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 17:06:11,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 17:06:11,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 17:06:11,459 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 17:06:11,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 17:06:11,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 17:06:11,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 17:06:11,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 17:06:11,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 17:06:11,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 17:06:11,482 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 17:06:11,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 17:06:11,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 17:06:11,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 17:06:11,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 17:06:11,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 17:06:11,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 17:06:11,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 17:06:11,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 17:06:11,483 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 17:06:11,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 17:06:11,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 17:06:11,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 17:06:11,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 17:06:11,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 17:06:11,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 17:06:11,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 17:06:11,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 17:06:11,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 17:06:11,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 17:06:11,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 17:06:11,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 17:06:11,484 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 17:06:11,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 17:06:11,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 17:06:11,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 17:06:11,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 17:06:11,485 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 17:06:11,485 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 17:06:11,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 17:06:11,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 17:06:11,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 17:06:11,738 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 17:06:11,738 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 17:06:11,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2021-06-07 17:06:11,739 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2021-06-07 17:06:11,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 17:06:11,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 17:06:11,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 17:06:11,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 17:06:11,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 17:06:11,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 17:06:11,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 17:06:11,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 17:06:11,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 17:06:11,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... [2021-06-07 17:06:11,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 17:06:11,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 17:06:11,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 17:06:11,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 17:06:11,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 17:06:11,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 17:06:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 17:06:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 17:06:11,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 17:06:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 17:06:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 17:06:11,870 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 17:06:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 17:06:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 17:06:11,871 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 17:06:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 17:06:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 17:06:11,872 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 17:06:12,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 17:06:12,090 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 17:06:12,091 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 05:06:12 BoogieIcfgContainer [2021-06-07 17:06:12,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 17:06:12,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 17:06:12,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 17:06:12,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 17:06:12,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 05:06:11" (1/2) ... [2021-06-07 17:06:12,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81fcafc and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 05:06:12, skipping insertion in model container [2021-06-07 17:06:12,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 05:06:12" (2/2) ... [2021-06-07 17:06:12,096 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2021-06-07 17:06:12,100 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 17:06:12,100 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 17:06:12,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 17:06:12,101 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 17:06:12,153 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 17:06:12,175 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 17:06:12,221 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 17:06:12,222 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 17:06:12,222 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 17:06:12,222 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 17:06:12,222 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 17:06:12,222 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 17:06:12,222 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 17:06:12,223 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 17:06:12,275 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:12,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:12,281 INFO L82 PathProgramCache]: Analyzing trace with hash 660413712, now seen corresponding path program 1 times [2021-06-07 17:06:12,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:12,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365106502] [2021-06-07 17:06:12,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:12,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:12,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365106502] [2021-06-07 17:06:12,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365106502] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 17:06:12,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 17:06:12,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 17:06:12,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890198422] [2021-06-07 17:06:12,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 17:06:12,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:12,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 17:06:12,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-07 17:06:12,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:12,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:12,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 17:06:12,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:12,499 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 17:06:12,499 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:12,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:12,505 INFO L82 PathProgramCache]: Analyzing trace with hash -488764498, now seen corresponding path program 1 times [2021-06-07 17:06:12,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:12,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926327704] [2021-06-07 17:06:12,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:12,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:12,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926327704] [2021-06-07 17:06:12,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926327704] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:12,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902341250] [2021-06-07 17:06:12,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:12,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-07 17:06:12,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:12,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902341250] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:12,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:12,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-07 17:06:12,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881434965] [2021-06-07 17:06:12,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-07 17:06:12,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:12,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-07 17:06:12,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-07 17:06:12,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:12,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:12,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:06:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:13,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:13,134 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:13,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:13,135 INFO L82 PathProgramCache]: Analyzing trace with hash -731335088, now seen corresponding path program 1 times [2021-06-07 17:06:13,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:13,135 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316979661] [2021-06-07 17:06:13,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:13,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:13,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316979661] [2021-06-07 17:06:13,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316979661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:13,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889679033] [2021-06-07 17:06:13,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 17:06:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:13,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 17:06:13,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:13,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889679033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:13,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:13,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-07 17:06:13,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66371583] [2021-06-07 17:06:13,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 17:06:13,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:13,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 17:06:13,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-06-07 17:06:13,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:13,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:13,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 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 17:06:13,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:13,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:13,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:13,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:13,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:13,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:13,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:13,785 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:13,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:13,785 INFO L82 PathProgramCache]: Analyzing trace with hash -227203602, now seen corresponding path program 2 times [2021-06-07 17:06:13,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:13,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107315816] [2021-06-07 17:06:13,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:13,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:13,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107315816] [2021-06-07 17:06:13,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107315816] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:13,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698285437] [2021-06-07 17:06:13,840 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 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 17:06:13,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 17:06:13,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:13,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 17:06:13,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:13,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698285437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:13,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:13,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-07 17:06:13,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870866358] [2021-06-07 17:06:13,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 17:06:13,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:13,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 17:06:13,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-07 17:06:13,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:13,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:13,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 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 17:06:13,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:13,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:13,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:13,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:14,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:14,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:14,379 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:14,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:14,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1520582800, now seen corresponding path program 3 times [2021-06-07 17:06:14,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:14,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464340507] [2021-06-07 17:06:14,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:14,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:14,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464340507] [2021-06-07 17:06:14,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464340507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:14,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044051693] [2021-06-07 17:06:14,585 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 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 17:06:14,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 17:06:14,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:14,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-07 17:06:14,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:15,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044051693] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:15,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:15,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-07 17:06:15,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780916042] [2021-06-07 17:06:15,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 17:06:15,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:15,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 17:06:15,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2021-06-07 17:06:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:15,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:15,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:06:15,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:15,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:15,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:15,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:15,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:15,549 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-06-07 17:06:15,857 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2021-06-07 17:06:15,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:15,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:15,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:15,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:15,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:16,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-07 17:06:16,159 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:16,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:16,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1215188690, now seen corresponding path program 4 times [2021-06-07 17:06:16,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:16,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128127041] [2021-06-07 17:06:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:16,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:16,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128127041] [2021-06-07 17:06:16,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128127041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:16,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557805141] [2021-06-07 17:06:16,231 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 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 17:06:16,261 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 17:06:16,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:16,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 17:06:16,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:16,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557805141] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:16,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:16,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-07 17:06:16,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695926854] [2021-06-07 17:06:16,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 17:06:16,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:16,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 17:06:16,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-06-07 17:06:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:16,385 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:16,385 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:06:16,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:16,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:16,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:16,837 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:16,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:16,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1254685648, now seen corresponding path program 5 times [2021-06-07 17:06:16,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:16,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805067910] [2021-06-07 17:06:16,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:17,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:17,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805067910] [2021-06-07 17:06:17,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805067910] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:17,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798522484] [2021-06-07 17:06:17,098 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 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 17:06:17,144 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-07 17:06:17,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:17,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-07 17:06:17,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:17,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798522484] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:17,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:17,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-07 17:06:17,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894796917] [2021-06-07 17:06:17,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-07 17:06:17,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:17,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-07 17:06:17,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2021-06-07 17:06:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:17,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:17,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 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 17:06:17,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:17,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:17,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:17,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:17,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:17,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:17,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:17,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:17,925 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:17,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:17,925 INFO L82 PathProgramCache]: Analyzing trace with hash -885854866, now seen corresponding path program 6 times [2021-06-07 17:06:17,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:17,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086965429] [2021-06-07 17:06:17,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:18,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:18,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086965429] [2021-06-07 17:06:18,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086965429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:18,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650948968] [2021-06-07 17:06:18,000 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 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 17:06:18,040 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-07 17:06:18,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:18,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 17:06:18,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:18,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650948968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:18,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:18,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-06-07 17:06:18,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395416589] [2021-06-07 17:06:18,201 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 17:06:18,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:18,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 17:06:18,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-06-07 17:06:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:18,203 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:18,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 21 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:06:18,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:18,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:18,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:18,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:18,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:18,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:18,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:18,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:18,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-07 17:06:18,793 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:18,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:18,793 INFO L82 PathProgramCache]: Analyzing trace with hash -83089392, now seen corresponding path program 7 times [2021-06-07 17:06:18,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:18,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008592953] [2021-06-07 17:06:18,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:19,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:19,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008592953] [2021-06-07 17:06:19,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008592953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:19,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118840676] [2021-06-07 17:06:19,091 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 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 17:06:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:19,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-07 17:06:19,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:19,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118840676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:19,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:19,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-06-07 17:06:19,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414266735] [2021-06-07 17:06:19,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-07 17:06:19,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:19,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-07 17:06:19,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2021-06-07 17:06:19,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:19,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:19,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:06:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:19,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:19,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:19,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:19,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:19,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:19,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:19,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:20,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:20,021 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:20,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:20,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1808276142, now seen corresponding path program 8 times [2021-06-07 17:06:20,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:20,021 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262293618] [2021-06-07 17:06:20,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:20,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:20,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262293618] [2021-06-07 17:06:20,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262293618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:20,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462986810] [2021-06-07 17:06:20,107 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 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 17:06:20,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 17:06:20,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:20,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 17:06:20,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:20,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462986810] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:20,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:20,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-07 17:06:20,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419859950] [2021-06-07 17:06:20,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 17:06:20,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:20,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 17:06:20,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-06-07 17:06:20,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:20,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:20,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 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 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:20,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:21,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:21,077 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:21,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:21,078 INFO L82 PathProgramCache]: Analyzing trace with hash -888470192, now seen corresponding path program 9 times [2021-06-07 17:06:21,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:21,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116413761] [2021-06-07 17:06:21,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:21,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:21,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116413761] [2021-06-07 17:06:21,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116413761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:21,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876451864] [2021-06-07 17:06:21,514 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 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 17:06:21,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-07 17:06:21,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:21,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-07 17:06:21,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:22,673 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-06-07 17:06:22,916 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-06-07 17:06:23,410 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-06-07 17:06:23,843 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-06-07 17:06:24,306 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-06-07 17:06:24,975 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2021-06-07 17:06:25,366 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-07 17:06:25,563 INFO L446 ElimStorePlain]: Different costs {5=[v_prenex_11], 9=[A], 13=[v_prenex_12], 18=[v_prenex_9], 21=[v_prenex_8, v_prenex_10]} [2021-06-07 17:06:25,572 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 17:06:25,573 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 17:06:25,887 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 116 [2021-06-07 17:06:25,887 INFO L628 ElimStorePlain]: treesize reduction 210, result has 65.5 percent of original size [2021-06-07 17:06:25,887 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-07 17:06:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:25,943 INFO L354 Elim1Store]: treesize reduction 26, result has 44.7 percent of original size [2021-06-07 17:06:25,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-06-07 17:06:25,946 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 17:06:26,086 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-07 17:06:26,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:06:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,119 INFO L354 Elim1Store]: treesize reduction 14, result has 51.7 percent of original size [2021-06-07 17:06:26,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 33 [2021-06-07 17:06:26,130 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 17:06:26,248 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-07 17:06:26,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:06:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,297 INFO L354 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2021-06-07 17:06:26,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 54 [2021-06-07 17:06:26,313 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 17:06:26,420 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-06-07 17:06:26,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:06:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,516 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:06:26,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 78 [2021-06-07 17:06:26,549 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 17:06:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:06:26,589 INFO L354 Elim1Store]: treesize reduction 34, result has 40.4 percent of original size [2021-06-07 17:06:26,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 44 [2021-06-07 17:06:26,592 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 17:06:26,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:06:26,671 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-07 17:06:26,671 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:652, output treesize:143 [2021-06-07 17:06:26,903 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 21 [2021-06-07 17:06:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:27,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876451864] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:27,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:27,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23] total 37 [2021-06-07 17:06:27,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952999021] [2021-06-07 17:06:27,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-07 17:06:27,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:27,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-07 17:06:27,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1200, Unknown=0, NotChecked=0, Total=1332 [2021-06-07 17:06:27,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:27,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:27,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.1621621621621623) internal successors, (80), 37 states have internal predecessors, (80), 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 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:27,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:27,684 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2021-06-07 17:06:28,333 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2021-06-07 17:06:29,045 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-06-07 17:06:29,711 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 113 [2021-06-07 17:06:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:30,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-07 17:06:30,081 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:30,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1053787922, now seen corresponding path program 10 times [2021-06-07 17:06:30,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:30,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798664613] [2021-06-07 17:06:30,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:30,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:30,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798664613] [2021-06-07 17:06:30,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798664613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:30,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320579902] [2021-06-07 17:06:30,192 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 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 17:06:30,220 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 17:06:30,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:30,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-07 17:06:30,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:30,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320579902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:30,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:30,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-07 17:06:30,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655322355] [2021-06-07 17:06:30,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-07 17:06:30,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:30,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-07 17:06:30,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2021-06-07 17:06:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:30,481 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:30,481 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.586206896551724) internal successors, (75), 29 states have internal predecessors, (75), 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 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:31,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-06-07 17:06:31,373 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:31,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:31,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1742001040, now seen corresponding path program 11 times [2021-06-07 17:06:31,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:31,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139681029] [2021-06-07 17:06:31,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:32,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:32,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139681029] [2021-06-07 17:06:32,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139681029] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:32,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142859951] [2021-06-07 17:06:32,124 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 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 17:06:32,161 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-07 17:06:32,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:32,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-07 17:06:32,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:33,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142859951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:33,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:33,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-06-07 17:06:33,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470774298] [2021-06-07 17:06:33,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-07 17:06:33,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:33,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-07 17:06:33,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1013, Unknown=0, NotChecked=0, Total=1122 [2021-06-07 17:06:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:33,153 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:33,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 34 states have internal predecessors, (87), 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 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:33,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:06:33,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-06-07 17:06:33,719 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash 549144622, now seen corresponding path program 12 times [2021-06-07 17:06:33,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:33,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643943545] [2021-06-07 17:06:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:33,833 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:33,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643943545] [2021-06-07 17:06:33,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643943545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:33,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043479219] [2021-06-07 17:06:33,833 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 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 17:06:33,873 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-07 17:06:33,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:33,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-07 17:06:33,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:34,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043479219] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:34,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:34,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-06-07 17:06:34,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804423180] [2021-06-07 17:06:34,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-07 17:06:34,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:34,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-07 17:06:34,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=855, Unknown=0, NotChecked=0, Total=1056 [2021-06-07 17:06:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:34,169 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:34,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.515151515151515) internal successors, (83), 33 states have internal predecessors, (83), 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 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:34,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:06:34,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:06:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:06:35,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:35,121 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:35,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:35,121 INFO L82 PathProgramCache]: Analyzing trace with hash 266916560, now seen corresponding path program 13 times [2021-06-07 17:06:35,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:35,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669913753] [2021-06-07 17:06:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:35,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:35,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669913753] [2021-06-07 17:06:35,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669913753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:35,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898707839] [2021-06-07 17:06:35,968 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 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 17:06:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:36,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-07 17:06:36,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:37,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898707839] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:37,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:37,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-06-07 17:06:37,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847064906] [2021-06-07 17:06:37,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-07 17:06:37,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:37,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-07 17:06:37,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1287, Unknown=0, NotChecked=0, Total=1406 [2021-06-07 17:06:37,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:37,281 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:37,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.5) internal successors, (95), 38 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 17:06:37,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:37,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:37,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:37,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:06:37,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:06:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:06:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:06:37,955 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-06-07 17:06:37,955 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:37,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:37,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1361561710, now seen corresponding path program 14 times [2021-06-07 17:06:37,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:37,956 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872342059] [2021-06-07 17:06:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:38,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:38,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872342059] [2021-06-07 17:06:38,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872342059] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:38,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480993247] [2021-06-07 17:06:38,083 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 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 17:06:38,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 17:06:38,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:38,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 17:06:38,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:38,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480993247] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:38,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:06:38,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2021-06-07 17:06:38,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439736904] [2021-06-07 17:06:38,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-07 17:06:38,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:06:38,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-07 17:06:38,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1080, Unknown=0, NotChecked=0, Total=1332 [2021-06-07 17:06:38,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:38,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:06:38,474 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.4594594594594597) internal successors, (91), 37 states have internal predecessors, (91), 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 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:06:38,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:06:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:06:39,574 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:06:39,574 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:06:39,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:06:39,574 INFO L82 PathProgramCache]: Analyzing trace with hash -684309744, now seen corresponding path program 15 times [2021-06-07 17:06:39,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:06:39,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948541776] [2021-06-07 17:06:39,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:06:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:06:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:06:40,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:06:40,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948541776] [2021-06-07 17:06:40,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948541776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:06:40,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439048655] [2021-06-07 17:06:40,580 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 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 17:06:40,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-07 17:06:40,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:06:40,621 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-07 17:06:40,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:06:42,237 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-07 17:06:42,830 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-07 17:06:44,019 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 112 [2021-06-07 17:06:45,186 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2021-06-07 17:06:46,276 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 116 [2021-06-07 17:06:47,459 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 120 [2021-06-07 17:06:49,383 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 195 DAG size of output: 195 [2021-06-07 17:06:52,463 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 205 DAG size of output: 205 [2021-06-07 17:06:56,652 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 279 DAG size of output: 279 [2021-06-07 17:06:59,052 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-07 17:06:59,522 INFO L446 ElimStorePlain]: Different costs {5=[v_prenex_61, A, v_prenex_65, v_prenex_64, v_prenex_52, v_prenex_62, v_prenex_58, v_prenex_69, v_prenex_57, v_prenex_67, v_prenex_66, v_prenex_55], 19=[v_prenex_70, v_prenex_63, v_prenex_68, v_prenex_59], 40=[v_prenex_60], 45=[v_prenex_54, v_prenex_56], 55=[v_prenex_53]} [2021-06-07 17:06:59,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 17:06:59,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:00,520 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 270 [2021-06-07 17:07:00,521 INFO L628 ElimStorePlain]: treesize reduction 880, result has 51.5 percent of original size [2021-06-07 17:07:00,521 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-07 17:07:00,521 INFO L518 ElimStorePlain]: Eliminatee v_prenex_65 vanished before elimination [2021-06-07 17:07:00,521 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-06-07 17:07:00,522 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-06-07 17:07:00,522 INFO L518 ElimStorePlain]: Eliminatee v_prenex_62 vanished before elimination [2021-06-07 17:07:00,522 INFO L518 ElimStorePlain]: Eliminatee v_prenex_58 vanished before elimination [2021-06-07 17:07:00,522 INFO L518 ElimStorePlain]: Eliminatee v_prenex_69 vanished before elimination [2021-06-07 17:07:00,522 INFO L518 ElimStorePlain]: Eliminatee v_prenex_57 vanished before elimination [2021-06-07 17:07:00,522 INFO L518 ElimStorePlain]: Eliminatee v_prenex_67 vanished before elimination [2021-06-07 17:07:00,522 INFO L518 ElimStorePlain]: Eliminatee v_prenex_66 vanished before elimination [2021-06-07 17:07:00,522 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-06-07 17:07:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,579 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-06-07 17:07:00,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 50 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 46 [2021-06-07 17:07:00,582 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:00,930 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-06-07 17:07:00,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:00,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,007 INFO L354 Elim1Store]: treesize reduction 56, result has 38.5 percent of original size [2021-06-07 17:07:01,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 46 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 68 treesize of output 62 [2021-06-07 17:07:01,010 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:01,334 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-07 17:07:01,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:01,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,378 INFO L354 Elim1Store]: treesize reduction 12, result has 55.6 percent of original size [2021-06-07 17:07:01,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 52 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 42 [2021-06-07 17:07:01,381 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:01,686 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-07 17:07:01,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:01,740 INFO L354 Elim1Store]: treesize reduction 42, result has 40.8 percent of original size [2021-06-07 17:07:01,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 48 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 7 case distinctions, treesize of input 68 treesize of output 56 [2021-06-07 17:07:01,742 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:02,033 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-06-07 17:07:02,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:02,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,091 INFO L354 Elim1Store]: treesize reduction 14, result has 54.8 percent of original size [2021-06-07 17:07:02,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 52 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 44 [2021-06-07 17:07:02,093 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:02,349 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-06-07 17:07:02,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:02,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,420 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-06-07 17:07:02,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 58 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 76 treesize of output 54 [2021-06-07 17:07:02,423 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:02,660 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-07 17:07:02,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:02,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,723 INFO L354 Elim1Store]: treesize reduction 38, result has 37.7 percent of original size [2021-06-07 17:07:02,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 60 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 50 [2021-06-07 17:07:02,726 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:02,943 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-07 17:07:02,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:02,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:02,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,099 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:03,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 76 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 15 case distinctions, treesize of input 97 treesize of output 183 [2021-06-07 17:07:03,274 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:03,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:03,376 INFO L354 Elim1Store]: treesize reduction 114, result has 22.4 percent of original size [2021-06-07 17:07:03,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 76 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 15 case distinctions, treesize of input 97 treesize of output 69 [2021-06-07 17:07:03,381 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:03,533 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-07 17:07:03,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 17:07:03,544 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 20 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-07 17:07:03,544 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 40 variables, input treesize:1858, output treesize:303 [2021-06-07 17:07:03,753 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2021-06-07 17:07:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:03,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439048655] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:03,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:07:03,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 29] total 49 [2021-06-07 17:07:03,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011204305] [2021-06-07 17:07:03,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-07 17:07:03,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:07:03,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-07 17:07:03,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=2191, Unknown=0, NotChecked=0, Total=2352 [2021-06-07 17:07:03,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:03,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:07:03,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.122448979591837) internal successors, (104), 49 states have internal predecessors, (104), 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 17:07:03,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:03,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:03,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:03,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:03,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:03,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:03,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:03,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:04,530 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 44 [2021-06-07 17:07:04,742 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 46 [2021-06-07 17:07:07,603 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 151 DAG size of output: 50 [2021-06-07 17:07:07,911 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 50 [2021-06-07 17:07:12,035 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 219 DAG size of output: 126 [2021-06-07 17:07:12,652 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2021-06-07 17:07:13,235 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 63 [2021-06-07 17:07:16,439 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 226 DAG size of output: 143 [2021-06-07 17:07:17,119 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 72 [2021-06-07 17:07:17,740 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 72 [2021-06-07 17:07:20,457 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 225 DAG size of output: 175 [2021-06-07 17:07:23,096 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2021-06-07 17:07:25,191 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 202 DAG size of output: 164 [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:25,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable150 [2021-06-07 17:07:25,813 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:07:25,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:07:25,817 INFO L82 PathProgramCache]: Analyzing trace with hash -828032594, now seen corresponding path program 16 times [2021-06-07 17:07:25,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:07:25,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224887336] [2021-06-07 17:07:25,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:07:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:07:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 49 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:26,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:07:26,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224887336] [2021-06-07 17:07:26,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224887336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:26,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522922379] [2021-06-07 17:07:26,095 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 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 17:07:26,125 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 17:07:26,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:07:26,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-07 17:07:26,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:07:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:26,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522922379] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:26,697 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:07:26,697 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-06-07 17:07:26,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366077882] [2021-06-07 17:07:26,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-07 17:07:26,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:07:26,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-07 17:07:26,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1331, Unknown=0, NotChecked=0, Total=1640 [2021-06-07 17:07:26,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:26,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:07:26,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.4146341463414633) internal successors, (99), 41 states have internal predecessors, (99), 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 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:28,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:28,422 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-06-07 17:07:28,422 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:07:28,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:07:28,423 INFO L82 PathProgramCache]: Analyzing trace with hash -350460848, now seen corresponding path program 17 times [2021-06-07 17:07:28,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:07:28,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861720701] [2021-06-07 17:07:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:07:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:07:29,244 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-06-07 17:07:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:30,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:07:30,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861720701] [2021-06-07 17:07:30,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861720701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:30,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515973897] [2021-06-07 17:07:30,188 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 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 17:07:30,249 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-07 17:07:30,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:07:30,250 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-07 17:07:30,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:07:32,598 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:32,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515973897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:32,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:07:32,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 46 [2021-06-07 17:07:32,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306433527] [2021-06-07 17:07:32,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-07 17:07:32,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:07:32,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-07 17:07:32,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1925, Unknown=0, NotChecked=0, Total=2070 [2021-06-07 17:07:32,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:32,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:07:32,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.4130434782608696) internal successors, (111), 46 states have internal predecessors, (111), 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 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:32,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:33,695 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable255 [2021-06-07 17:07:33,695 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:07:33,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:07:33,696 INFO L82 PathProgramCache]: Analyzing trace with hash 248699886, now seen corresponding path program 18 times [2021-06-07 17:07:33,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:07:33,696 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953891630] [2021-06-07 17:07:33,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:07:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:07:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 64 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:33,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:07:33,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953891630] [2021-06-07 17:07:33,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953891630] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:33,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834165541] [2021-06-07 17:07:33,972 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 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 17:07:34,012 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-07 17:07:34,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:07:34,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-07 17:07:34,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:07:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 81 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:34,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834165541] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:34,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:07:34,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2021-06-07 17:07:34,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941158990] [2021-06-07 17:07:34,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-07 17:07:34,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:07:34,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-07 17:07:34,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=1608, Unknown=0, NotChecked=0, Total=1980 [2021-06-07 17:07:34,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:34,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:07:34,668 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 2.3777777777777778) internal successors, (107), 45 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:34,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-07 17:07:36,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable288 [2021-06-07 17:07:36,523 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:07:36,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:07:36,523 INFO L82 PathProgramCache]: Analyzing trace with hash -697665904, now seen corresponding path program 19 times [2021-06-07 17:07:36,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:07:36,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864349194] [2021-06-07 17:07:36,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:07:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:07:37,244 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-06-07 17:07:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:38,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:07:38,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864349194] [2021-06-07 17:07:38,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864349194] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:38,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934189514] [2021-06-07 17:07:38,163 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 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 17:07:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:07:38,208 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-07 17:07:38,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:07:41,113 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-07 17:07:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:41,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934189514] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:41,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:07:41,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2021-06-07 17:07:41,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508442521] [2021-06-07 17:07:41,227 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-07 17:07:41,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:07:41,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-07 17:07:41,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2290, Unknown=0, NotChecked=0, Total=2450 [2021-06-07 17:07:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:41,227 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:07:41,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 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 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-07 17:07:41,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:42,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-07 17:07:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 17:07:42,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable289 [2021-06-07 17:07:42,532 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:07:42,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:07:42,533 INFO L82 PathProgramCache]: Analyzing trace with hash -994054354, now seen corresponding path program 20 times [2021-06-07 17:07:42,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:07:42,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021552946] [2021-06-07 17:07:42,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:07:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:07:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 81 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:42,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:07:42,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021552946] [2021-06-07 17:07:42,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021552946] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:42,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86227133] [2021-06-07 17:07:42,851 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 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 17:07:42,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 17:07:42,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:07:42,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-07 17:07:42,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:07:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 100 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:43,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86227133] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:43,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 17:07:43,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2021-06-07 17:07:43,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297057251] [2021-06-07 17:07:43,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-07 17:07:43,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 17:07:43,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-07 17:07:43,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=1911, Unknown=0, NotChecked=0, Total=2352 [2021-06-07 17:07:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:43,606 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 17:07:43,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.3469387755102042) internal successors, (115), 49 states have internal predecessors, (115), 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 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 17:07:43,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 17:07:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-07 17:07:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 17:07:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 17:07:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 17:07:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-07 17:07:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 17:07:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-07 17:07:45,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 17:07:45,704 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 17:07:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 17:07:45,704 INFO L82 PathProgramCache]: Analyzing trace with hash -983582256, now seen corresponding path program 21 times [2021-06-07 17:07:45,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 17:07:45,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812885108] [2021-06-07 17:07:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 17:07:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 17:07:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 17:07:47,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 17:07:47,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812885108] [2021-06-07 17:07:47,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812885108] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 17:07:47,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896660430] [2021-06-07 17:07:47,504 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 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 17:07:47,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-06-07 17:07:47,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 17:07:47,560 WARN L261 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 78 conjunts are in the unsatisfiable core [2021-06-07 17:07:47,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 17:07:50,773 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-07 17:07:51,028 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-06-07 17:07:51,287 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-06-07 17:07:51,551 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-06-07 17:07:51,845 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-07 17:07:53,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 17:07:53,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:53,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 17:07:53,814 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:53,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 17:07:53,823 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:53,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 17:07:53,832 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:53,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 17:07:53,842 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:53,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 17:07:53,852 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:53,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:53,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:53,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:53,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,037 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-06-07 17:07:54,153 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 37 [2021-06-07 17:07:54,153 INFO L354 Elim1Store]: treesize reduction 126, result has 34.0 percent of original size [2021-06-07 17:07:54,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 72 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 89 treesize of output 101 [2021-06-07 17:07:54,158 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 17:07:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 17:07:54,344 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-06-07 17:07:54,981 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 174 [2021-06-07 17:07:54,981 INFO L354 Elim1Store]: treesize reduction 154, result has 68.8 percent of original size [2021-06-07 17:07:54,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 54 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 51 case distinctions, treesize of input 101 treesize of output 375 [2021-06-07 17:07:55,549 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 305 [2021-06-07 17:07:55,944 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 410 [2021-06-07 17:07:56,058 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 410 [2021-06-07 17:07:56,196 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 412 [2021-06-07 17:07:56,421 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 463 [2021-06-07 17:07:56,565 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 401 [2021-06-07 17:07:56,687 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 432 [2021-06-07 17:07:57,183 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 605 [2021-06-07 17:07:57,517 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 825 [2021-06-07 17:07:57,885 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 825 [2021-06-07 17:07:58,250 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 674 [2021-06-07 17:07:58,559 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 743 [2021-06-07 17:07:59,015 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 746 [2021-06-07 17:07:59,414 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 813 [2021-06-07 17:08:00,112 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 501 [2021-06-07 17:08:00,344 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 561 [2021-06-07 17:08:00,622 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 535 [2021-06-07 17:08:01,085 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 367 [2021-06-07 17:08:01,300 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 486 [2021-06-07 17:08:01,767 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 767 [2021-06-07 17:08:02,507 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 822 [2021-06-07 17:08:03,620 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1378 DAG size of output: 1072 [2021-06-07 17:08:04,699 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1378 DAG size of output: 1072 [2021-06-07 17:08:05,850 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1387 DAG size of output: 1081 [2021-06-07 17:08:06,868 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1083 DAG size of output: 1211 [2021-06-07 17:08:07,960 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1079 DAG size of output: 1188 [2021-06-07 17:08:08,594 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 1230 [2021-06-07 17:08:09,647 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 383 [2021-06-07 17:08:10,337 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 829 [2021-06-07 17:08:11,424 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1554 DAG size of output: 950 [2021-06-07 17:08:13,129 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1903 DAG size of output: 1262 [2021-06-07 17:08:15,707 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 1903 DAG size of output: 1262 [2021-06-07 17:08:17,545 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1909 DAG size of output: 1268 [2021-06-07 17:08:21,333 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 1270 DAG size of output: 1654 [2021-06-07 17:08:24,143 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 1159 DAG size of output: 1579 [2021-06-07 17:08:25,519 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1385 DAG size of output: 1132 [2021-06-07 17:08:27,618 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 2094 DAG size of output: 1555 [2021-06-07 17:08:31,797 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 2094 DAG size of output: 1555 [2021-06-07 17:08:38,949 WARN L205 SmtUtils]: Spent 7.15 s on a formula simplification. DAG size of input: 2098 DAG size of output: 1559 [2021-06-07 17:08:39,257 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 1559 DAG size of output: 1559 [2021-06-07 17:08:42,789 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 521 DAG size of output: 579 [2021-06-07 17:08:45,382 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 581 DAG size of output: 286 [2021-06-07 17:08:47,537 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1593 DAG size of output: 755 [2021-06-07 17:08:53,045 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 1593 DAG size of output: 755 [2021-06-07 17:10:13,399 WARN L205 SmtUtils]: Spent 1.34 m on a formula simplification. DAG size of input: 1596 DAG size of output: 379 [2021-06-07 17:10:40,936 WARN L205 SmtUtils]: Spent 27.53 s on a formula simplification. DAG size of input: 379 DAG size of output: 379 [2021-06-07 17:10:47,672 WARN L205 SmtUtils]: Spent 6.73 s on a formula simplification. DAG size of input: 180 DAG size of output: 157 [2021-06-07 17:10:47,781 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2021-06-07 17:10:48,505 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 52 [2021-06-07 17:10:54,281 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 290 DAG size of output: 104 [2021-06-07 17:11:01,992 WARN L205 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 290 DAG size of output: 104 [2021-06-07 17:12:39,461 WARN L205 SmtUtils]: Spent 1.62 m on a formula simplification. DAG size of input: 294 DAG size of output: 108 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown