/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:39:13,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:39:13,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:39:13,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:39:13,246 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 11:39:13,275 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:39:13,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:39:13,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:39:13,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:39:13,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:39:13,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:39:13,277 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:39:13,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:39:13,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:39:13,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:39:13,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:39:13,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:39:13,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:39:13,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:39:13,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:39:13,279 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:39:13,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:39:13,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:39:13,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:39:13,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:39:13,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:39:13,280 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:39:13,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:39:13,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:39:13,281 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:39:13,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:39:13,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:39:13,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:39:13,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:39:13,553 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:39:13,554 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:39:13,555 INFO L432 ainManager$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 [2021-07-14 11:39:13,555 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2021-07-14 11:39:13,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:39:13,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:39:13,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:39:13,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:39:13,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:39:13,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:39:13,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:39:13,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:39:13,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:39:13,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... [2021-07-14 11:39:13,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:39:13,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:39:13,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:39:13,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:39:13,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:39:13,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:39:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:39:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:39:13,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:39:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:39:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:39:13,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:39:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:39:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:39:13,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 11:39:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 11:39:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 11:39:13,724 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 11:39:13,939 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:39:13,939 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:39:13,941 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:39:13 BoogieIcfgContainer [2021-07-14 11:39:13,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:39:13,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:39:13,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:39:13,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:39:13,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:39:13" (1/2) ... [2021-07-14 11:39:13,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39dbe7dd and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:39:13, skipping insertion in model container [2021-07-14 11:39:13,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:39:13" (2/2) ... [2021-07-14 11:39:13,945 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2021-07-14 11:39:13,949 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:39:13,949 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:39:13,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:39:13,950 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:39:14,014 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 11:39:14,030 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 11:39:14,081 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:39:14,081 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:39:14,081 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:39:14,081 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:39:14,081 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:39:14,081 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:39:14,081 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:39:14,081 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:39:14,176 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:14,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:14,181 INFO L82 PathProgramCache]: Analyzing trace with hash -252146076, now seen corresponding path program 1 times [2021-07-14 11:39:14,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:14,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324412311] [2021-07-14 11:39:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:14,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:14,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324412311] [2021-07-14 11:39:14,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324412311] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:39:14,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:39:14,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 11:39:14,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940623940] [2021-07-14 11:39:14,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 11:39:14,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:14,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 11:39:14,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 11:39:14,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:14,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:14,373 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) [2021-07-14 11:39:14,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:14,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:39:14,403 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:14,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:14,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1086491390, now seen corresponding path program 1 times [2021-07-14 11:39:14,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:14,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937205299] [2021-07-14 11:39:14,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:14,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:14,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937205299] [2021-07-14 11:39:14,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937205299] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:14,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351372355] [2021-07-14 11:39:14,465 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 [2021-07-14 11:39:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:14,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 11:39:14,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:14,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351372355] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:14,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:14,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 11:39:14,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056497353] [2021-07-14 11:39:14,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 11:39:14,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:14,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 11:39:14,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-07-14 11:39:14,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:14,628 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:14,628 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) [2021-07-14 11:39:14,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:14,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:14,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:14,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:14,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:14,939 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:14,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:14,939 INFO L82 PathProgramCache]: Analyzing trace with hash -163513564, now seen corresponding path program 1 times [2021-07-14 11:39:14,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:14,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750653018] [2021-07-14 11:39:14,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:15,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:15,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750653018] [2021-07-14 11:39:15,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750653018] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:15,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997596606] [2021-07-14 11:39:15,095 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 [2021-07-14 11:39:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:15,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:39:15,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:15,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997596606] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:15,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:15,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-14 11:39:15,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909475588] [2021-07-14 11:39:15,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 11:39:15,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:15,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 11:39:15,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-14 11:39:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:15,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:15,437 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) [2021-07-14 11:39:15,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:15,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:15,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:15,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:15,717 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:15,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:15,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1269472574, now seen corresponding path program 2 times [2021-07-14 11:39:15,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:15,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033915361] [2021-07-14 11:39:15,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:15,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:15,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033915361] [2021-07-14 11:39:15,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033915361] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:15,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871904330] [2021-07-14 11:39:15,769 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 [2021-07-14 11:39:15,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:39:15,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:15,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 11:39:15,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:15,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871904330] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:15,922 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:15,922 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 11:39:15,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96253732] [2021-07-14 11:39:15,923 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 11:39:15,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:15,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 11:39:15,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-07-14 11:39:15,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:15,923 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:15,924 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) [2021-07-14 11:39:15,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:15,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:15,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:15,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:16,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:16,286 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:16,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:16,287 INFO L82 PathProgramCache]: Analyzing trace with hash 85227748, now seen corresponding path program 3 times [2021-07-14 11:39:16,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:16,287 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137203549] [2021-07-14 11:39:16,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:16,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:16,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137203549] [2021-07-14 11:39:16,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137203549] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:16,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133981574] [2021-07-14 11:39:16,463 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 [2021-07-14 11:39:16,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 11:39:16,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:16,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 11:39:16,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:17,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133981574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:17,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:17,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-07-14 11:39:17,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514394124] [2021-07-14 11:39:17,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 11:39:17,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:17,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 11:39:17,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2021-07-14 11:39:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:17,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:17,103 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) [2021-07-14 11:39:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:17,585 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2021-07-14 11:39:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:17,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:17,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 11:39:17,851 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:17,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:17,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1297080706, now seen corresponding path program 4 times [2021-07-14 11:39:17,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:17,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586602130] [2021-07-14 11:39:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:17,910 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:17,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:17,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586602130] [2021-07-14 11:39:17,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586602130] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:17,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049625640] [2021-07-14 11:39:17,910 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 [2021-07-14 11:39:17,950 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:39:17,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:17,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:39:17,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:18,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049625640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:18,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:18,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-14 11:39:18,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262004107] [2021-07-14 11:39:18,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 11:39:18,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:18,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 11:39:18,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-07-14 11:39:18,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:18,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:18,061 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) [2021-07-14 11:39:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:18,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:18,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:18,519 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:18,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:18,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1231701924, now seen corresponding path program 5 times [2021-07-14 11:39:18,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:18,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963099246] [2021-07-14 11:39:18,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:18,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:18,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963099246] [2021-07-14 11:39:18,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963099246] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:18,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99592872] [2021-07-14 11:39:18,734 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 [2021-07-14 11:39:18,783 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 11:39:18,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:18,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 11:39:18,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:19,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99592872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:19,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:19,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-14 11:39:19,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250139440] [2021-07-14 11:39:19,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 11:39:19,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:19,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 11:39:19,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2021-07-14 11:39:19,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:19,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:19,153 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) [2021-07-14 11:39:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:19,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:19,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:19,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:19,491 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:19,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:19,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1100730046, now seen corresponding path program 6 times [2021-07-14 11:39:19,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:19,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777872100] [2021-07-14 11:39:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:19,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:19,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777872100] [2021-07-14 11:39:19,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777872100] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:19,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053681236] [2021-07-14 11:39:19,562 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 [2021-07-14 11:39:19,598 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 11:39:19,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:19,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:39:19,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:19,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053681236] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:19,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:19,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-07-14 11:39:19,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867025789] [2021-07-14 11:39:19,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 11:39:19,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:19,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 11:39:19,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-07-14 11:39:19,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:19,773 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:19,773 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) [2021-07-14 11:39:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:19,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:20,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:20,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-14 11:39:20,348 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:20,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:20,349 INFO L82 PathProgramCache]: Analyzing trace with hash -961960092, now seen corresponding path program 7 times [2021-07-14 11:39:20,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:20,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172092479] [2021-07-14 11:39:20,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:20,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:20,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172092479] [2021-07-14 11:39:20,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172092479] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:20,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385808994] [2021-07-14 11:39:20,813 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 [2021-07-14 11:39:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:20,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 11:39:20,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:21,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385808994] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:21,454 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:21,454 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-14 11:39:21,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621387855] [2021-07-14 11:39:21,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 11:39:21,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:21,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 11:39:21,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2021-07-14 11:39:21,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:21,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:21,456 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) [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:21,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:21,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:21,875 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:21,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:21,876 INFO L82 PathProgramCache]: Analyzing trace with hash -214330878, now seen corresponding path program 8 times [2021-07-14 11:39:21,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:21,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179801788] [2021-07-14 11:39:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:21,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:21,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179801788] [2021-07-14 11:39:21,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179801788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:21,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139363322] [2021-07-14 11:39:21,980 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 [2021-07-14 11:39:22,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:39:22,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:22,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 11:39:22,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:22,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139363322] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:22,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:22,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-07-14 11:39:22,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753284150] [2021-07-14 11:39:22,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 11:39:22,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:22,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 11:39:22,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-07-14 11:39:22,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:22,243 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:22,244 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) [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:22,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:22,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:22,950 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:22,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:22,950 INFO L82 PathProgramCache]: Analyzing trace with hash 464115748, now seen corresponding path program 9 times [2021-07-14 11:39:22,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:22,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366067677] [2021-07-14 11:39:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:23,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:23,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366067677] [2021-07-14 11:39:23,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366067677] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:23,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748606032] [2021-07-14 11:39:23,372 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 [2021-07-14 11:39:23,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 11:39:23,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:23,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 11:39:23,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:24,470 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-07-14 11:39:24,713 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-07-14 11:39:25,171 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-07-14 11:39:25,678 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-07-14 11:39:26,087 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-07-14 11:39:26,793 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2021-07-14 11:39:27,181 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 11:39:27,400 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]} [2021-07-14 11:39:27,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:27,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:27,734 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 116 [2021-07-14 11:39:27,735 INFO L628 ElimStorePlain]: treesize reduction 210, result has 65.5 percent of original size [2021-07-14 11:39:27,735 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-14 11:39:27,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,776 INFO L354 Elim1Store]: treesize reduction 26, result has 44.7 percent of original size [2021-07-14 11:39:27,776 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 [2021-07-14 11:39:27,782 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:27,911 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-14 11:39:27,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:39:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:27,945 INFO L354 Elim1Store]: treesize reduction 14, result has 51.7 percent of original size [2021-07-14 11:39:27,945 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 [2021-07-14 11:39:27,948 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:28,068 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-07-14 11:39:28,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:39:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,133 INFO L354 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2021-07-14 11:39:28,134 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 [2021-07-14 11:39:28,144 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:28,251 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 11:39:28,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:39:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,312 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:39:28,312 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 [2021-07-14 11:39:28,334 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:28,379 INFO L354 Elim1Store]: treesize reduction 34, result has 40.4 percent of original size [2021-07-14 11:39:28,379 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 [2021-07-14 11:39:28,382 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:28,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:39:28,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 11:39:28,475 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:652, output treesize:143 [2021-07-14 11:39:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:28,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748606032] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:28,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:28,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23] total 37 [2021-07-14 11:39:28,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394968330] [2021-07-14 11:39:28,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 11:39:28,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:28,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 11:39:28,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1200, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 11:39:28,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:28,763 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:28,763 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) [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:29,578 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2021-07-14 11:39:30,208 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-07-14 11:39:31,007 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-07-14 11:39:31,544 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 103 [2021-07-14 11:39:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:31,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 11:39:31,938 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:31,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:31,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1390887874, now seen corresponding path program 10 times [2021-07-14 11:39:31,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:31,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389062163] [2021-07-14 11:39:31,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:32,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:32,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389062163] [2021-07-14 11:39:32,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389062163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:32,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345016379] [2021-07-14 11:39:32,043 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 [2021-07-14 11:39:32,071 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:39:32,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:32,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 11:39:32,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:32,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345016379] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:32,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:32,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-07-14 11:39:32,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869933379] [2021-07-14 11:39:32,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 11:39:32,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:32,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 11:39:32,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2021-07-14 11:39:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:32,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:32,307 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) [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:32,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:33,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-07-14 11:39:33,083 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:33,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:33,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1186077156, now seen corresponding path program 11 times [2021-07-14 11:39:33,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:33,083 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296655548] [2021-07-14 11:39:33,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:33,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:33,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296655548] [2021-07-14 11:39:33,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296655548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:33,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858376763] [2021-07-14 11:39:33,682 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 [2021-07-14 11:39:33,719 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 11:39:33,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:33,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 11:39:33,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:34,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858376763] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:34,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:34,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-07-14 11:39:34,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980323097] [2021-07-14 11:39:34,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 11:39:34,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:34,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 11:39:34,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 11:39:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:34,679 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:34,679 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) [2021-07-14 11:39:34,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:34,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:34,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:34,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:34,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:34,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:34,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:39:35,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-07-14 11:39:35,301 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:35,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:35,301 INFO L82 PathProgramCache]: Analyzing trace with hash -2081126782, now seen corresponding path program 12 times [2021-07-14 11:39:35,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:35,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206188327] [2021-07-14 11:39:35,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:35,435 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:35,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206188327] [2021-07-14 11:39:35,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206188327] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:35,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31623240] [2021-07-14 11:39:35,436 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 [2021-07-14 11:39:35,472 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 11:39:35,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:35,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 11:39:35,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:35,806 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:35,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31623240] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:35,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:35,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-07-14 11:39:35,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682944147] [2021-07-14 11:39:35,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 11:39:35,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:35,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 11:39:35,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=855, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 11:39:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:35,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:35,808 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) [2021-07-14 11:39:35,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:39:35,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:36,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:39:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 11:39:36,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:36,718 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:36,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:36,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1769581732, now seen corresponding path program 13 times [2021-07-14 11:39:36,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:36,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630988881] [2021-07-14 11:39:36,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:37,732 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:37,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630988881] [2021-07-14 11:39:37,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630988881] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:37,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223154380] [2021-07-14 11:39:37,733 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 [2021-07-14 11:39:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:37,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 11:39:37,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:39,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223154380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:39,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:39,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-07-14 11:39:39,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708063597] [2021-07-14 11:39:39,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 11:39:39,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 11:39:39,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1287, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 11:39:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:39,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:39,049 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) [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 11:39:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:39,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 11:39:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:39:39,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-07-14 11:39:39,861 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:39,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:39,861 INFO L82 PathProgramCache]: Analyzing trace with hash 811113026, now seen corresponding path program 14 times [2021-07-14 11:39:39,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:39,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309961172] [2021-07-14 11:39:39,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:40,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:40,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309961172] [2021-07-14 11:39:40,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309961172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:40,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387839545] [2021-07-14 11:39:40,015 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 [2021-07-14 11:39:40,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:39:40,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:40,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 11:39:40,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:40,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387839545] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:40,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:39:40,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2021-07-14 11:39:40,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467870975] [2021-07-14 11:39:40,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 11:39:40,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:39:40,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 11:39:40,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1080, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 11:39:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:40,426 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:39:40,426 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) [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:39:40,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:39:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:39:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:39:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:39:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:39:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:39:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:39:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 11:39:41,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:39:41,461 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:39:41,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:39:41,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1926770588, now seen corresponding path program 15 times [2021-07-14 11:39:41,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:39:41,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309191933] [2021-07-14 11:39:41,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:39:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:39:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:39:42,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:39:42,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309191933] [2021-07-14 11:39:42,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309191933] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:39:42,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090382530] [2021-07-14 11:39:42,325 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 [2021-07-14 11:39:42,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 11:39:42,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:39:42,373 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 11:39:42,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:39:45,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,411 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,418 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,425 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,432 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,439 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,446 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,453 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,459 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,466 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:45,472 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,595 INFO L354 Elim1Store]: treesize reduction 94, result has 30.4 percent of original size [2021-07-14 11:39:45,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 40 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 66 treesize of output 68 [2021-07-14 11:39:45,599 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:45,966 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 123 [2021-07-14 11:39:45,966 INFO L354 Elim1Store]: treesize reduction 54, result has 81.2 percent of original size [2021-07-14 11:39:45,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 30 case distinctions, treesize of input 76 treesize of output 260 [2021-07-14 11:39:46,927 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 334 [2021-07-14 11:39:47,672 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,753 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-07-14 11:39:47,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 28 [2021-07-14 11:39:47,754 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:47,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:39:47,762 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 11:39:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:39:48,045 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-07-14 11:39:48,045 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:39:48,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 56 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 35 case distinctions, treesize of input 97 treesize of output 371 [2021-07-14 11:39:48,608 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 254 [2021-07-14 11:39:48,732 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 318 [2021-07-14 11:39:48,931 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 355 [2021-07-14 11:39:49,105 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 355 [2021-07-14 11:39:49,320 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 389 [2021-07-14 11:39:49,798 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 302 [2021-07-14 11:39:50,255 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 430 [2021-07-14 11:39:50,472 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 450 [2021-07-14 11:39:50,622 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 266 [2021-07-14 11:39:51,456 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 382 [2021-07-14 11:39:51,994 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 524 [2021-07-14 11:39:52,601 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 696 [2021-07-14 11:39:53,535 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 1006 DAG size of output: 941 [2021-07-14 11:39:54,736 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1006 DAG size of output: 941 [2021-07-14 11:40:00,730 WARN L205 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 1011 DAG size of output: 868 [2021-07-14 11:40:09,243 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 868 DAG size of output: 867 [2021-07-14 11:40:10,179 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 773 [2021-07-14 11:40:10,396 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 577 [2021-07-14 11:40:11,047 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 228 [2021-07-14 11:40:11,380 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 341 [2021-07-14 11:40:11,786 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 253 [2021-07-14 11:40:12,133 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 493 [2021-07-14 11:40:12,830 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 892 DAG size of output: 592 [2021-07-14 11:40:13,272 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 378 [2021-07-14 11:40:13,531 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 204 [2021-07-14 11:40:13,860 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 215 [2021-07-14 11:40:14,115 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 260 [2021-07-14 11:40:14,613 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 294 [2021-07-14 11:40:14,813 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 368 [2021-07-14 11:40:15,349 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 476 [2021-07-14 11:40:16,706 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1256 DAG size of output: 824 [2021-07-14 11:40:18,209 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1256 DAG size of output: 824 [2021-07-14 11:40:20,380 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1261 DAG size of output: 830 [2021-07-14 11:40:24,640 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 832 DAG size of output: 971 [2021-07-14 11:40:24,808 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 810 [2021-07-14 11:40:24,927 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 489 [2021-07-14 11:40:25,652 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 415 [2021-07-14 11:40:25,877 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 245 [2021-07-14 11:40:26,250 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 265 [2021-07-14 11:40:26,626 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 595 [2021-07-14 11:40:26,760 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 373 [2021-07-14 11:40:27,560 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 319 [2021-07-14 11:40:28,117 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 458 [2021-07-14 11:40:29,294 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 1331 DAG size of output: 952 [2021-07-14 11:40:31,735 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1549 DAG size of output: 1154 [2021-07-14 11:40:33,190 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1549 DAG size of output: 1154 [2021-07-14 11:40:35,180 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1552 DAG size of output: 839 [2021-07-14 11:40:35,842 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 839 DAG size of output: 839 [2021-07-14 11:40:36,919 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 317 [2021-07-14 11:40:37,727 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 432 [2021-07-14 11:40:38,178 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 393 [2021-07-14 11:40:38,580 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 268 [2021-07-14 11:40:38,827 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 358 [2021-07-14 11:40:46,197 WARN L205 SmtUtils]: Spent 7.35 s on a formula simplification. DAG size of input: 1025 DAG size of output: 582 [2021-07-14 11:41:09,135 WARN L205 SmtUtils]: Spent 22.93 s on a formula simplification. DAG size of input: 1176 DAG size of output: 631 [2021-07-14 11:41:19,328 WARN L205 SmtUtils]: Spent 10.19 s on a formula simplification. DAG size of input: 1176 DAG size of output: 631 [2021-07-14 11:41:32,182 WARN L205 SmtUtils]: Spent 12.85 s on a formula simplification. DAG size of input: 1181 DAG size of output: 629 [2021-07-14 11:42:14,462 WARN L205 SmtUtils]: Spent 42.28 s on a formula simplification. DAG size of input: 631 DAG size of output: 792 [2021-07-14 11:42:15,998 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 555 [2021-07-14 11:42:16,623 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 362 [2021-07-14 11:42:17,923 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 534 DAG size of output: 491 [2021-07-14 11:42:20,263 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 582 DAG size of output: 530 [2021-07-14 11:42:27,715 WARN L205 SmtUtils]: Spent 7.45 s on a formula simplification. DAG size of input: 767 DAG size of output: 685 [2021-07-14 11:42:45,585 WARN L205 SmtUtils]: Spent 17.87 s on a formula simplification. DAG size of input: 767 DAG size of output: 685 [2021-07-14 11:42:49,428 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 771 DAG size of output: 689 [2021-07-14 11:42:49,570 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2021-07-14 11:42:50,872 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 157 [2021-07-14 11:42:58,017 WARN L205 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 472 DAG size of output: 219 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown