/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 06:13:12,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 06:13:12,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 06:13:12,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 06:13:12,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 06:13:12,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 06:13:12,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 06:13:12,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 06:13:12,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 06:13:12,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 06:13:12,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 06:13:12,628 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 06:13:12,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 06:13:12,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 06:13:12,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 06:13:12,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 06:13:12,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 06:13:12,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 06:13:12,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 06:13:12,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 06:13:12,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 06:13:12,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 06:13:12,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 06:13:12,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 06:13:12,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 06:13:12,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 06:13:12,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 06:13:12,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 06:13:12,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 06:13:12,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 06:13:12,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 06:13:12,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 06:13:12,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 06:13:12,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 06:13:12,632 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 06:13:12,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 06:13:12,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 06:13:12,632 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 06:13:12,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 06:13:12,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 06:13:12,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 06:13:12,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 06:13:12,952 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 06:13:12,953 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 06:13:12,954 INFO L432 ainManager$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 [2021-06-06 06:13:12,954 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2021-06-06 06:13:12,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 06:13:12,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 06:13:12,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 06:13:12,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 06:13:12,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 06:13:12,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:12,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:13,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 06:13:13,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 06:13:13,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 06:13:13,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 06:13:13,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:13,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:13,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:13,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:13,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:13,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:13,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... [2021-06-06 06:13:13,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 06:13:13,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 06:13:13,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 06:13:13,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 06:13:13,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 06:13:13,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 06:13:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 06:13:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 06:13:13,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 06:13:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 06:13:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 06:13:13,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 06:13:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 06:13:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 06:13:13,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 06:13:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 06:13:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 06:13:13,103 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 06:13:13,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 06:13:13,323 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 06:13:13,324 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:13:13 BoogieIcfgContainer [2021-06-06 06:13:13,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 06:13:13,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 06:13:13,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 06:13:13,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 06:13:13,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:13:12" (1/2) ... [2021-06-06 06:13:13,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ff77a7 and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:13:13, skipping insertion in model container [2021-06-06 06:13:13,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:13:13" (2/2) ... [2021-06-06 06:13:13,330 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2021-06-06 06:13:13,355 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 06:13:13,355 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 06:13:13,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 06:13:13,357 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 06:13:13,420 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 06:13:13,458 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 [2021-06-06 06:13:13,496 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 06:13:13,496 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 06:13:13,497 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 06:13:13,497 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 06:13:13,497 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 06:13:13,497 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 06:13:13,497 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 06:13:13,497 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 06:13:13,530 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:13,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:13,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1326538124, now seen corresponding path program 1 times [2021-06-06 06:13:13,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:13,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931922318] [2021-06-06 06:13:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:13,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:13,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931922318] [2021-06-06 06:13:13,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931922318] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:13:13,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 06:13:13,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 06:13:13,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897480982] [2021-06-06 06:13:13,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 06:13:13,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:13,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 06:13:13,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-06 06:13:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:13,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:13,772 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) [2021-06-06 06:13:13,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:13,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:13,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 06:13:13,805 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:13,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:13,807 INFO L82 PathProgramCache]: Analyzing trace with hash 177359914, now seen corresponding path program 1 times [2021-06-06 06:13:13,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:13,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338912054] [2021-06-06 06:13:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:13,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:13,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338912054] [2021-06-06 06:13:13,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338912054] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:13,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506762136] [2021-06-06 06:13:13,939 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 [2021-06-06 06:13:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:13,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 06:13:14,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:14,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506762136] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:14,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:14,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-06 06:13:14,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106880146] [2021-06-06 06:13:14,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 06:13:14,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:14,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 06:13:14,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-06 06:13:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:14,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:14,199 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) [2021-06-06 06:13:14,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:14,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:14,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:14,553 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:14,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:14,554 INFO L82 PathProgramCache]: Analyzing trace with hash -65210676, now seen corresponding path program 1 times [2021-06-06 06:13:14,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:14,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120001569] [2021-06-06 06:13:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:14,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:14,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120001569] [2021-06-06 06:13:14,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120001569] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:14,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638189392] [2021-06-06 06:13:14,683 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 [2021-06-06 06:13:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:14,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 06:13:14,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:14,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638189392] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:14,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:14,977 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-06 06:13:14,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508890108] [2021-06-06 06:13:14,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 06:13:14,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:14,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 06:13:14,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-06-06 06:13:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:14,982 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:14,982 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) [2021-06-06 06:13:14,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:14,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:15,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:15,265 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:15,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:15,265 INFO L82 PathProgramCache]: Analyzing trace with hash 438920810, now seen corresponding path program 2 times [2021-06-06 06:13:15,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:15,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783552496] [2021-06-06 06:13:15,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:15,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:15,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783552496] [2021-06-06 06:13:15,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783552496] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:15,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844499603] [2021-06-06 06:13:15,328 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 [2021-06-06 06:13:15,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:13:15,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:15,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 06:13:15,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:15,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844499603] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:15,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:15,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-06 06:13:15,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658488047] [2021-06-06 06:13:15,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 06:13:15,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:15,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 06:13:15,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 06:13:15,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:15,487 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:15,487 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) [2021-06-06 06:13:15,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:15,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:15,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:15,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:15,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:15,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:15,921 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:15,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:15,921 INFO L82 PathProgramCache]: Analyzing trace with hash -2108260084, now seen corresponding path program 3 times [2021-06-06 06:13:15,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:15,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117874294] [2021-06-06 06:13:15,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:16,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:16,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117874294] [2021-06-06 06:13:16,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117874294] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:16,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702304881] [2021-06-06 06:13:16,153 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 [2021-06-06 06:13:16,202 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 06:13:16,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:16,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 06:13:16,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:16,933 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-06-06 06:13:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:17,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702304881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:17,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:17,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-06 06:13:17,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50514546] [2021-06-06 06:13:17,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 06:13:17,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:17,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 06:13:17,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2021-06-06 06:13:17,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:17,127 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:17,127 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) [2021-06-06 06:13:17,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:17,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:17,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:17,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:17,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:17,354 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-06-06 06:13:17,666 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2021-06-06 06:13:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:17,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 06:13:17,957 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:17,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:17,957 INFO L82 PathProgramCache]: Analyzing trace with hash -549064278, now seen corresponding path program 4 times [2021-06-06 06:13:17,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:17,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84828530] [2021-06-06 06:13:17,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:18,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:18,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84828530] [2021-06-06 06:13:18,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84828530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:18,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370803171] [2021-06-06 06:13:18,038 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 [2021-06-06 06:13:18,077 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:13:18,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:18,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 06:13:18,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:18,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370803171] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:18,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:18,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-06 06:13:18,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576200209] [2021-06-06 06:13:18,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 06:13:18,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:18,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 06:13:18,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-06-06 06:13:18,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:18,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:18,239 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) [2021-06-06 06:13:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:18,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:18,757 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:18,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:18,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1920810060, now seen corresponding path program 5 times [2021-06-06 06:13:18,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:18,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589402239] [2021-06-06 06:13:18,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:19,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:19,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589402239] [2021-06-06 06:13:19,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589402239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:19,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523910993] [2021-06-06 06:13:19,062 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 [2021-06-06 06:13:19,105 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 06:13:19,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:19,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 06:13:19,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:19,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523910993] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:19,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:19,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-06 06:13:19,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494961712] [2021-06-06 06:13:19,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 06:13:19,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:19,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 06:13:19,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2021-06-06 06:13:19,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:19,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:19,576 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) [2021-06-06 06:13:19,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:19,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:19,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:19,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:19,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:19,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:19,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:19,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:19,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:19,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:19,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:19,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:19,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:19,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:19,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:19,913 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:19,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:19,913 INFO L82 PathProgramCache]: Analyzing trace with hash -219730454, now seen corresponding path program 6 times [2021-06-06 06:13:19,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:19,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112078261] [2021-06-06 06:13:19,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:19,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:19,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112078261] [2021-06-06 06:13:19,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112078261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:19,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435390838] [2021-06-06 06:13:19,995 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 [2021-06-06 06:13:20,037 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 06:13:20,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:20,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 06:13:20,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:20,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435390838] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:20,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:20,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-06-06 06:13:20,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231108012] [2021-06-06 06:13:20,245 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 06:13:20,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:20,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 06:13:20,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-06-06 06:13:20,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:20,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:20,247 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) [2021-06-06 06:13:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:20,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-06 06:13:20,921 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:20,921 INFO L82 PathProgramCache]: Analyzing trace with hash 583035020, now seen corresponding path program 7 times [2021-06-06 06:13:20,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:20,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286118284] [2021-06-06 06:13:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:21,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:21,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286118284] [2021-06-06 06:13:21,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286118284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:21,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477149546] [2021-06-06 06:13:21,271 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 [2021-06-06 06:13:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:21,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 06:13:21,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:22,012 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477149546] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:22,012 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:22,012 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-06-06 06:13:22,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587340369] [2021-06-06 06:13:22,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 06:13:22,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:22,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 06:13:22,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2021-06-06 06:13:22,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:22,017 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:22,017 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) [2021-06-06 06:13:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:22,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:22,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:22,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:22,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:22,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:22,445 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:22,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:22,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1820566742, now seen corresponding path program 8 times [2021-06-06 06:13:22,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:22,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148088079] [2021-06-06 06:13:22,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:22,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:22,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148088079] [2021-06-06 06:13:22,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148088079] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:22,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511975303] [2021-06-06 06:13:22,546 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 [2021-06-06 06:13:22,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:13:22,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:22,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 06:13:22,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:22,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511975303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:22,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:22,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-06 06:13:22,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670512990] [2021-06-06 06:13:22,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 06:13:22,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:22,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 06:13:22,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-06-06 06:13:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:22,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:22,858 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) [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:23,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:23,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:23,708 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:23,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:23,708 INFO L82 PathProgramCache]: Analyzing trace with hash -222345780, now seen corresponding path program 9 times [2021-06-06 06:13:23,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:23,708 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302884960] [2021-06-06 06:13:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:24,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:24,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302884960] [2021-06-06 06:13:24,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302884960] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:24,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876534684] [2021-06-06 06:13:24,171 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 [2021-06-06 06:13:24,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 06:13:24,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:24,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-06 06:13:24,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:25,309 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-06-06 06:13:25,554 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-06-06 06:13:26,203 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-06-06 06:13:26,677 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-06-06 06:13:27,145 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-06-06 06:13:27,773 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2021-06-06 06:13:28,182 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-06 06:13:28,465 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]} [2021-06-06 06:13:28,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 06:13:28,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:13:28,863 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 116 [2021-06-06 06:13:28,863 INFO L628 ElimStorePlain]: treesize reduction 210, result has 65.5 percent of original size [2021-06-06 06:13:28,864 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-06 06:13:28,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:28,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:28,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:28,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:28,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:28,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:28,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:28,917 INFO L354 Elim1Store]: treesize reduction 26, result has 44.7 percent of original size [2021-06-06 06:13:28,918 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 [2021-06-06 06:13:28,921 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 06:13:29,061 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-06 06:13:29,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:13:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,095 INFO L354 Elim1Store]: treesize reduction 14, result has 51.7 percent of original size [2021-06-06 06:13:29,096 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 [2021-06-06 06:13:29,098 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 06:13:29,222 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-06 06:13:29,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:13:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,274 INFO L354 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2021-06-06 06:13:29,274 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 [2021-06-06 06:13:29,298 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 06:13:29,416 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-06-06 06:13:29,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:13:29,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,478 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:13:29,478 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 [2021-06-06 06:13:29,506 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 06:13:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:13:29,554 INFO L354 Elim1Store]: treesize reduction 34, result has 40.4 percent of original size [2021-06-06 06:13:29,554 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 [2021-06-06 06:13:29,557 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 06:13:29,665 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-06-06 06:13:29,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:13:29,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 06:13:29,677 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:652, output treesize:143 [2021-06-06 06:13:29,855 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 21 [2021-06-06 06:13:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:30,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876534684] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:30,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:30,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23] total 37 [2021-06-06 06:13:30,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235603076] [2021-06-06 06:13:30,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 06:13:30,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:30,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 06:13:30,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1200, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 06:13:30,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:30,043 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:30,043 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) [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:30,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:30,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:30,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:30,798 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2021-06-06 06:13:30,953 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2021-06-06 06:13:31,487 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2021-06-06 06:13:32,180 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-06-06 06:13:32,860 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 113 [2021-06-06 06:13:33,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:33,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-06 06:13:33,306 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:33,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:33,307 INFO L82 PathProgramCache]: Analyzing trace with hash -387663510, now seen corresponding path program 10 times [2021-06-06 06:13:33,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:33,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348660393] [2021-06-06 06:13:33,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:33,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:33,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348660393] [2021-06-06 06:13:33,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348660393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:33,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030412629] [2021-06-06 06:13:33,426 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 [2021-06-06 06:13:33,458 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:13:33,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:33,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 06:13:33,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:33,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030412629] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:33,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:33,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-06 06:13:33,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914246551] [2021-06-06 06:13:33,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 06:13:33,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:33,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 06:13:33,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2021-06-06 06:13:33,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:33,763 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:33,763 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) [2021-06-06 06:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:33,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:34,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-06-06 06:13:34,628 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:34,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:34,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1886841844, now seen corresponding path program 11 times [2021-06-06 06:13:34,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:34,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208268008] [2021-06-06 06:13:34,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:35,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:35,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208268008] [2021-06-06 06:13:35,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208268008] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:35,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442268541] [2021-06-06 06:13:35,432 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 [2021-06-06 06:13:35,475 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 06:13:35,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:35,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 06:13:35,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:36,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442268541] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:36,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:36,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-06-06 06:13:36,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412473203] [2021-06-06 06:13:36,620 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 06:13:36,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:36,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 06:13:36,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1013, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 06:13:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:36,621 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:36,621 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) [2021-06-06 06:13:36,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:36,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:36,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:36,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:36,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:13:37,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-06-06 06:13:37,105 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:37,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:37,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1215269034, now seen corresponding path program 12 times [2021-06-06 06:13:37,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:37,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514602058] [2021-06-06 06:13:37,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:37,260 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:37,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514602058] [2021-06-06 06:13:37,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514602058] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:37,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258942586] [2021-06-06 06:13:37,261 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 [2021-06-06 06:13:37,295 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 06:13:37,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:37,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 06:13:37,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:37,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258942586] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:37,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:37,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-06-06 06:13:37,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618381944] [2021-06-06 06:13:37,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-06 06:13:37,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:37,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-06 06:13:37,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=855, Unknown=0, NotChecked=0, Total=1056 [2021-06-06 06:13:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:37,647 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:37,647 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) [2021-06-06 06:13:37,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:37,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:37,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:37,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:37,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:13:37,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:13:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:13:38,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:38,709 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:38,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:38,709 INFO L82 PathProgramCache]: Analyzing trace with hash 933040972, now seen corresponding path program 13 times [2021-06-06 06:13:38,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:38,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458507578] [2021-06-06 06:13:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:39,666 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:39,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458507578] [2021-06-06 06:13:39,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458507578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:39,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373232245] [2021-06-06 06:13:39,666 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 [2021-06-06 06:13:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:39,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 06:13:39,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:41,177 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:41,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373232245] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:41,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:41,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-06-06 06:13:41,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552540037] [2021-06-06 06:13:41,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 06:13:41,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:41,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 06:13:41,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1287, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 06:13:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:41,179 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:41,180 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) [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:13:41,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:13:41,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:13:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:13:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:13:41,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-06-06 06:13:41,813 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:41,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:41,814 INFO L82 PathProgramCache]: Analyzing trace with hash 2027686122, now seen corresponding path program 14 times [2021-06-06 06:13:41,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:41,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555596703] [2021-06-06 06:13:41,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:42,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:42,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555596703] [2021-06-06 06:13:42,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555596703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:42,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604664606] [2021-06-06 06:13:42,006 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 [2021-06-06 06:13:42,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:13:42,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:42,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 06:13:42,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:42,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604664606] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:42,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:13:42,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2021-06-06 06:13:42,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039120038] [2021-06-06 06:13:42,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 06:13:42,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:13:42,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 06:13:42,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1080, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 06:13:42,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:42,408 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:13:42,408 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) [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:42,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:42,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:13:42,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:13:42,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:13:42,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:13:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:13:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:13:43,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:13:43,738 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:13:43,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:13:43,738 INFO L82 PathProgramCache]: Analyzing trace with hash -18185332, now seen corresponding path program 15 times [2021-06-06 06:13:43,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:13:43,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186167313] [2021-06-06 06:13:43,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:13:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:13:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:13:44,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:13:44,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186167313] [2021-06-06 06:13:44,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186167313] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:13:44,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795199353] [2021-06-06 06:13:44,855 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 [2021-06-06 06:13:44,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 06:13:44,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:13:44,899 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-06 06:13:44,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:13:46,576 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-06 06:13:47,197 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-06 06:13:48,454 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 112 [2021-06-06 06:13:49,626 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2021-06-06 06:13:50,818 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 116 [2021-06-06 06:13:51,905 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 120 [2021-06-06 06:13:53,822 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 195 DAG size of output: 195 [2021-06-06 06:13:56,878 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 205 DAG size of output: 205 [2021-06-06 06:14:01,240 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 279 DAG size of output: 279 [2021-06-06 06:14:03,663 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 06:14:04,272 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]} [2021-06-06 06:14:04,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 06:14:04,299 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:05,362 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 435 DAG size of output: 270 [2021-06-06 06:14:05,363 INFO L628 ElimStorePlain]: treesize reduction 880, result has 51.5 percent of original size [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_65 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_62 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_58 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_69 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_57 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_67 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_66 vanished before elimination [2021-06-06 06:14:05,363 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-06-06 06:14:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,417 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-06-06 06:14:05,417 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 [2021-06-06 06:14:05,419 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:05,760 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-06-06 06:14:05,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:05,857 INFO L354 Elim1Store]: treesize reduction 56, result has 38.5 percent of original size [2021-06-06 06:14:05,858 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 [2021-06-06 06:14:05,862 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:06,214 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-06 06:14:06,215 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,277 INFO L354 Elim1Store]: treesize reduction 12, result has 55.6 percent of original size [2021-06-06 06:14:06,277 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 [2021-06-06 06:14:06,280 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:06,586 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-06 06:14:06,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:06,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,643 INFO L354 Elim1Store]: treesize reduction 42, result has 40.8 percent of original size [2021-06-06 06:14:06,643 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 [2021-06-06 06:14:06,646 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:06,930 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-06-06 06:14:06,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:06,993 INFO L354 Elim1Store]: treesize reduction 14, result has 54.8 percent of original size [2021-06-06 06:14:06,993 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 [2021-06-06 06:14:06,995 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:07,274 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-06-06 06:14:07,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:07,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,346 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-06-06 06:14:07,346 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 [2021-06-06 06:14:07,349 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:07,589 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-06 06:14:07,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,663 INFO L354 Elim1Store]: treesize reduction 38, result has 37.7 percent of original size [2021-06-06 06:14:07,663 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 [2021-06-06 06:14:07,673 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:07,894 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-06 06:14:07,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,056 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:08,056 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 [2021-06-06 06:14:08,298 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:08,405 INFO L354 Elim1Store]: treesize reduction 114, result has 22.4 percent of original size [2021-06-06 06:14:08,405 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 [2021-06-06 06:14:08,410 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:08,571 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-06 06:14:08,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:14:08,589 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 20 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-06 06:14:08,589 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 40 variables, input treesize:1858, output treesize:303 [2021-06-06 06:14:08,794 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2021-06-06 06:14:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:08,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795199353] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:08,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:14:08,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 29] total 49 [2021-06-06 06:14:08,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343763456] [2021-06-06 06:14:08,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-06 06:14:08,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:14:08,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-06 06:14:08,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=2191, Unknown=0, NotChecked=0, Total=2352 [2021-06-06 06:14:08,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:08,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:14:08,988 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) [2021-06-06 06:14:08,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:08,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:09,601 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 44 [2021-06-06 06:14:09,810 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 46 [2021-06-06 06:14:10,184 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 50 [2021-06-06 06:14:10,403 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 50 [2021-06-06 06:14:11,832 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 219 DAG size of output: 126 [2021-06-06 06:14:12,296 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2021-06-06 06:14:16,736 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 159 DAG size of output: 63 [2021-06-06 06:14:19,273 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 226 DAG size of output: 143 [2021-06-06 06:14:19,761 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 72 [2021-06-06 06:14:20,190 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 72 [2021-06-06 06:14:22,321 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 225 DAG size of output: 175 [2021-06-06 06:14:24,438 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2021-06-06 06:14:25,993 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 202 DAG size of output: 164 [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:26,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable150 [2021-06-06 06:14:26,549 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:14:26,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:14:26,549 INFO L82 PathProgramCache]: Analyzing trace with hash -161908182, now seen corresponding path program 16 times [2021-06-06 06:14:26,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:14:26,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021866771] [2021-06-06 06:14:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:14:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:14:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 49 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:26,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:14:26,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021866771] [2021-06-06 06:14:26,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021866771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:26,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231570457] [2021-06-06 06:14:26,768 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 [2021-06-06 06:14:26,799 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:14:26,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:14:26,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 06:14:26,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:14:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:27,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231570457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:27,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:14:27,223 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-06-06 06:14:27,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387488076] [2021-06-06 06:14:27,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 06:14:27,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:14:27,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 06:14:27,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1331, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 06:14:27,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:27,225 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:14:27,225 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) [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:28,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-06-06 06:14:28,647 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:14:28,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:14:28,647 INFO L82 PathProgramCache]: Analyzing trace with hash 315663564, now seen corresponding path program 17 times [2021-06-06 06:14:28,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:14:28,647 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881366689] [2021-06-06 06:14:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:14:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:14:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:30,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:14:30,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881366689] [2021-06-06 06:14:30,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881366689] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:30,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817812059] [2021-06-06 06:14:30,013 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 [2021-06-06 06:14:30,069 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-06 06:14:30,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:14:30,071 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 06:14:30,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:14:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:32,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817812059] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:32,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:14:32,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 46 [2021-06-06 06:14:32,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384187951] [2021-06-06 06:14:32,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 06:14:32,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:14:32,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 06:14:32,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1925, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 06:14:32,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:32,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:14:32,075 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) [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:32,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:32,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:32,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:32,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable255 [2021-06-06 06:14:32,737 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:14:32,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:14:32,737 INFO L82 PathProgramCache]: Analyzing trace with hash 914824298, now seen corresponding path program 18 times [2021-06-06 06:14:32,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:14:32,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348722273] [2021-06-06 06:14:32,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:14:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:14:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 64 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:32,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:14:32,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348722273] [2021-06-06 06:14:32,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348722273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:32,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738094095] [2021-06-06 06:14:32,950 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 [2021-06-06 06:14:32,987 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-06 06:14:32,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:14:32,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 06:14:32,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:14:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 81 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:33,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738094095] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:33,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:14:33,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2021-06-06 06:14:33,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943149615] [2021-06-06 06:14:33,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-06 06:14:33,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:14:33,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-06 06:14:33,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=1608, Unknown=0, NotChecked=0, Total=1980 [2021-06-06 06:14:33,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:33,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:14:33,489 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) [2021-06-06 06:14:33,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 06:14:35,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable288 [2021-06-06 06:14:35,044 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:14:35,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:14:35,044 INFO L82 PathProgramCache]: Analyzing trace with hash -31541492, now seen corresponding path program 19 times [2021-06-06 06:14:35,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:14:35,044 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056183460] [2021-06-06 06:14:35,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:14:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:14:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:36,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:14:36,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056183460] [2021-06-06 06:14:36,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056183460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:36,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007457555] [2021-06-06 06:14:36,301 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 [2021-06-06 06:14:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:14:36,347 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-06 06:14:36,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:14:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:38,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007457555] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:38,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:14:38,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2021-06-06 06:14:38,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584437206] [2021-06-06 06:14:38,696 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 06:14:38,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:14:38,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 06:14:38,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2290, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 06:14:38,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:38,697 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:14:38,697 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) [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 06:14:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 06:14:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:14:39,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable289 [2021-06-06 06:14:39,653 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:14:39,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:14:39,653 INFO L82 PathProgramCache]: Analyzing trace with hash -327929942, now seen corresponding path program 20 times [2021-06-06 06:14:39,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:14:39,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569177901] [2021-06-06 06:14:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:14:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:14:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 81 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:39,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:14:39,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569177901] [2021-06-06 06:14:39,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569177901] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:39,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091277068] [2021-06-06 06:14:39,942 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 [2021-06-06 06:14:39,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:14:39,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:14:39,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 06:14:39,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:14:40,588 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 100 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:40,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091277068] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:40,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:14:40,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2021-06-06 06:14:40,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567886401] [2021-06-06 06:14:40,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-06 06:14:40,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:14:40,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-06 06:14:40,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=1911, Unknown=0, NotChecked=0, Total=2352 [2021-06-06 06:14:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:40,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:14:40,590 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) [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:14:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:14:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:14:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 06:14:42,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:14:42,373 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:14:42,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:14:42,373 INFO L82 PathProgramCache]: Analyzing trace with hash -317457844, now seen corresponding path program 21 times [2021-06-06 06:14:42,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:14:42,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383536696] [2021-06-06 06:14:42,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:14:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:14:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:14:44,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:14:44,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383536696] [2021-06-06 06:14:44,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383536696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:14:44,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273689573] [2021-06-06 06:14:44,046 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 [2021-06-06 06:14:44,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-06-06 06:14:44,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:14:44,105 WARN L261 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 78 conjunts are in the unsatisfiable core [2021-06-06 06:14:44,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:14:47,686 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-06 06:14:49,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 06:14:49,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:49,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 06:14:49,477 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:49,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 06:14:49,490 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:49,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 06:14:49,502 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:49,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 06:14:49,516 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:49,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 06:14:49,530 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:49,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,678 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-06-06 06:14:49,787 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 37 [2021-06-06 06:14:49,788 INFO L354 Elim1Store]: treesize reduction 126, result has 34.0 percent of original size [2021-06-06 06:14:49,788 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 [2021-06-06 06:14:49,795 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 06:14:49,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:14:49,971 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-06-06 06:14:50,490 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 174 [2021-06-06 06:14:50,490 INFO L354 Elim1Store]: treesize reduction 154, result has 68.8 percent of original size [2021-06-06 06:14:50,491 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 [2021-06-06 06:14:51,133 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 305 [2021-06-06 06:14:51,671 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 410 [2021-06-06 06:14:51,826 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 410 [2021-06-06 06:14:51,963 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 412 [2021-06-06 06:14:52,168 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 463 [2021-06-06 06:14:52,324 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 401 [2021-06-06 06:14:52,464 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 432 [2021-06-06 06:14:53,050 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 605 [2021-06-06 06:14:53,431 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 825 [2021-06-06 06:14:53,778 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 825 [2021-06-06 06:14:54,156 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 674 [2021-06-06 06:14:54,472 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 743 [2021-06-06 06:14:55,004 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 746 [2021-06-06 06:14:55,406 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 813 [2021-06-06 06:14:56,182 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 501 [2021-06-06 06:14:56,377 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 561 [2021-06-06 06:14:56,667 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 535 [2021-06-06 06:14:57,229 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 287 [2021-06-06 06:14:57,339 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 367 [2021-06-06 06:14:57,558 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 486 [2021-06-06 06:14:58,042 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 767 [2021-06-06 06:14:58,843 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 822 [2021-06-06 06:14:59,964 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1378 DAG size of output: 1072 [2021-06-06 06:15:01,067 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1378 DAG size of output: 1072 [2021-06-06 06:15:02,271 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1387 DAG size of output: 1081 [2021-06-06 06:15:03,348 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1083 DAG size of output: 1211 [2021-06-06 06:15:04,434 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1079 DAG size of output: 1188 [2021-06-06 06:15:05,112 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 1230 [2021-06-06 06:15:06,247 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 383 [2021-06-06 06:15:07,154 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 829 [2021-06-06 06:15:08,342 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1554 DAG size of output: 950 [2021-06-06 06:15:10,163 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1903 DAG size of output: 1262 [2021-06-06 06:15:12,540 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 1903 DAG size of output: 1262 [2021-06-06 06:15:14,848 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 1909 DAG size of output: 1268 [2021-06-06 06:15:18,266 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 1270 DAG size of output: 1654 [2021-06-06 06:15:22,119 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 1159 DAG size of output: 1579 [2021-06-06 06:15:23,555 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1385 DAG size of output: 1132 [2021-06-06 06:15:27,602 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 2094 DAG size of output: 1555 [2021-06-06 06:15:30,905 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 2094 DAG size of output: 1555 [2021-06-06 06:15:37,066 WARN L205 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 2098 DAG size of output: 1559 [2021-06-06 06:15:38,669 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1559 DAG size of output: 1559 [2021-06-06 06:15:39,643 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 579 [2021-06-06 06:15:43,057 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 581 DAG size of output: 286 [2021-06-06 06:15:43,464 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 281 [2021-06-06 06:15:49,459 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 1593 DAG size of output: 755 [2021-06-06 06:15:54,255 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 1593 DAG size of output: 755 [2021-06-06 06:17:24,294 WARN L205 SmtUtils]: Spent 1.50 m on a formula simplification. DAG size of input: 1596 DAG size of output: 379 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown